11.20.2025

15-17 mins

Fibromyalgia Diagnosis: Why It's So Hard and What to Expect

blue and white glass windows

Dr. James Dill, MD

Co Founder, Rejuvenate

Why Fibromyalgia Is One of the Hardest Conditions to Diagnose

If you're reading this, you've likely been on a frustrating journey trying to get answers. You hurt all over, you're exhausted despite sleeping, and your brain feels foggy—but test after test comes back "normal." Your doctor seems skeptical. Family members wonder if it's "all in your head." You're not alone, and you're not imagining it.

Fibromyalgia is one of the most challenging conditions to diagnose because there's no blood test, imaging study, or definitive biomarker to confirm it. There is no blood test, other lab or diagnostic test, or imaging study that can identify fibromyalgia. That's why doctors must rule out other possible causes of symptoms like pain and fatigue before making a fibromyalgia diagnosis.

The stark reality: Only 1 out of 10 clinicians adhere to the official American College of Rheumatology (ACR) diagnostic criteria for fibromyalgia. This means 90% of healthcare providers are diagnosing—or more often, missing—fibromyalgia without using the proper assessment tools.

This lack of knowledge leads to years of misdiagnosis, dismissal, and suffering for patients. The average person with fibromyalgia sees 5+ doctors before getting an accurate diagnosis.

This comprehensive guide will help you understand:

  • What fibromyalgia actually feels like (in patients' own words)

  • Why diagnosis is so complicated

  • The current diagnostic criteria doctors should be using

  • What tests to request to rule out other conditions

  • How to find a knowledgeable provider

  • Treatment options that actually work

What Does Fibromyalgia Actually Feel Like?

Before we dive into diagnostic criteria, let's talk about the lived experience. Understanding what fibromyalgia feels like can help you communicate your symptoms more effectively to healthcare providers.

The Pain: More Than Just "Hurting All Over"

The hallmark feature of fibromyalgia is widespread musculoskeletal pain lasting at least 3 months. Patients typically describe the pain as aching, although it may also be dull, sharp, shooting, or burning. Common expressions include "I hurt all over" or "I feel like I always have the flu."

Patient descriptions of fibromyalgia pain:

People describe fibromyalgia pain as deep muscular aching, throbbing, shooting, stabbing, or intense burning. The pain is often characterized by:

Widespread distribution:

  • Affects multiple body areas simultaneously

  • Neck and back are the most common places to feel pain

  • Upper mid-trapezius, lateral epicondyle, second costochondral junction, and greater trochanter are typical sites

  • Additional sites may include the head, lower back, buttocks, and abdomen

  • At least 6 soft tissue sites involving the upper and lower body are typically affected

Variable intensity:

  • Severity can vary from day to day

  • Minimal activities exacerbate the pain

  • Morning stiffness is common

  • Pain tends to linger for a longer period when it occurs

  • The slightest touch can cause pain (allodynia - when normally non-painful stimuli become painful)

Burning and stabbing sensations:

According to the NHS, widespread pain is a major symptom, which could feel like an ache, a burning sensation, or a sharp, stabbing pain. Patients are also susceptible to heightened pain sensitivity, and the slightest touch can cause pain.

One patient described it: "My skin feels like a bad sunburn, but there's no visible reason for it."

Another: "It feels like the flu—deep muscle aches that make you want to curl up in bed—except it never goes away."

The Exhaustion: Beyond Normal Tiredness

Debilitating fatigue, along with sleep disturbances, is a core feature of fibromyalgia. As with the widespread pain, mild to moderate activity exacerbates fatigue, as does prolonged inactivity.

What fibromyalgia fatigue actually feels like:

"Exhaustion is the most incapacitating fibromyalgia symptom. You feel as though your arms and legs are weighed down by concrete blocks. The lethargy can be overwhelming."

Physical fatigue characteristics:

  • Feeling of exhaustion after even minimal exercise

  • Limitation in daily activities

  • Disproportionate fatigue compared to activity level

  • Not relieved by rest or sleep

  • Worsens with activity, but also with inactivity (catch-22)

One patient explained: "When fatigue hits, for me it's most noticeable when I try to walk. I describe it as trying to wade through treacle."

The Sleep Problems: Unrefreshing Rest

Patients with fibromyalgia often report light sleep, frequent early morning awakenings, difficulty falling back asleep, and not feeling well-rested in the morning.

Sleep disturbances in fibromyalgia include:

  • Difficulty falling asleep despite exhaustion

  • Frequent early morning awakenings

  • Light, non-restorative sleep

  • Not feeling refreshed after a full night's sleep

  • Waking up feeling like "hit by a Mack truck"

  • Repeat arousals prevent reaching deep, restorative sleep

The frustration: "Sleeping badly and waking up feeling unrested. Even after 8-9 hours in bed, I wake up more tired than when I went to sleep."

"Fibro Fog": The Cognitive Symptoms

Most patients with fibromyalgia experience cognitive disturbances, commonly reporting difficulty concentrating and performing tasks that require quick processing speed.

What "fibro fog" feels like:

"For me, it's the feeling of fogginess that affects me most. Not being able to think clearly or not being able to remember the simplest of words."

Common cognitive symptoms include:

  • Trouble concentrating and retaining new information

  • Word-finding difficulties ("It's on the tip of my tongue...")

  • Difficulty processing information quickly

  • Easily distracted

  • Avoiding multitasking (becomes overwhelming)

  • Memory problems and forgetfulness

  • Slower thought processing

Patients describe feeling like they're "thinking through a fog" or "brain feels cloudy."

Sensory Sensitivities: The World Feels Too Loud, Too Bright, Too Much

Evidence suggests that people who have fibromyalgia have excess sensitivity (hypersensitivity) to pain receptors in the brain (central nervous system) as well as hypersensitivity to light, smells and sound.

Heightened sensory experiences:

  • Lights seem too bright and trigger headaches

  • Normal sounds feel overwhelming or painful

  • Strong smells trigger nausea or migraines

  • Touch sensitivity (clothes, sheets, hugs can hurt)

  • Temperature sensitivity (especially cold)

"Lights, sounds, odors, and other sensory sensations are annoying and worsen your painful symptoms. You feel as though all your senses are magnified."

Additional Common Symptoms

Irritable Bowel Syndrome:

Irritable bowel syndrome occurs commonly in up to 70% of people with fibromyalgia - with abdominal pains, sometimes with diarrhea, constipation or bloating.

Headaches:

  • Tension headaches are common

  • Migraines occur frequently

  • Often triggered by light, sound, or stress

Bladder Issues:

  • Irritable bladder is common - needing to pass water more frequently than usual

  • Interstitial cystitis (painful bladder syndrome) in some patients

Balance and Dizziness:

Fibromyalgia patients experience greatly reduced balance confidence. Additionally, ringing in the ears and dizziness are common yet related symptoms.

Skin Problems:

"Your skin looks normal but might feel like a bad sunburn. Alternatively, your skin may have itchy red bumps like hives."

Restless Legs Syndrome:

About 1 in 5 people with fibromyalgia also have restless legs syndrome—an uncomfortable sensation in the legs with an irresistible urge to move them.

The Emotional Toll

Depression or anxiety develops in some people. It's hard to know if this is a primary symptom or a consequence of living with chronic pain and feeling dismissed by healthcare providers.

People with fibromyalgia are more likely to be hospitalized because of pain, fatigue or mental health symptoms. The condition significantly impacts quality of life, relationships, and ability to work.

Why Fibromyalgia Is So Hard to Diagnose

No Single Definitive Test

Unlike conditions with clear diagnostic markers (like rheumatoid arthritis with positive rheumatoid factor, or diabetes with elevated blood sugar), fibromyalgia has no biomarker.

Routine laboratory and imaging tests are typically normal and, while not required for diagnosis, are essential for excluding other potential underlying conditions.

The "Invisible Illness" Problem

You look healthy. Your bloodwork is normal. Your imaging is clear. To an uninformed observer—or even to some doctors—you appear fine. This creates a credibility problem where patients feel their very real symptoms are being questioned or dismissed.

Fibromyalgia is real, and so is how you feel. The lack of objective markers of the illness has been a persistent problem in FMS research, clinical management, and social recognition of the disease.

Overlap with Other Conditions

Fibromyalgia often happens with other conditions, such as:

  • Irritable bowel syndrome

  • Chronic fatigue syndrome

  • Migraine and other types of headaches

  • Interstitial cystitis (painful bladder syndrome)

  • TMJ disorders

  • Depression

  • Postural tachycardia syndrome

  • Post-COVID syndrome (long COVID)

Any of these conditions can mimic fibromyalgia or coexist with it, making diagnosis even more complicated.

Many Doctors Don't Know the Current Criteria

This is perhaps the most frustrating barrier: Only 10% of clinicians follow the ACR criteria for fibromyalgia diagnosis. The remaining 90% rely on outdated methods (like tender point examinations that are no longer recommended), incomplete criteria, or their own limited understanding of the condition.

The National Fibromyalgia Association advises patients to look for a doctor who has a lot of experience with fibromyalgia: "Since people with fibromyalgia tend to look healthy and conventional tests are typically normal, a physician knowledgeable about the disorder is necessary to make a diagnosis."

The Evolution of Fibromyalgia Diagnostic Criteria

Understanding how diagnostic criteria have changed helps explain why many doctors are still using outdated methods.

1990 ACR Criteria: The Tender Point Era

The original 1990 criteria relied heavily on a tender point examination. A doctor would apply pressure to 18 specific points on the body; a patient who felt pain in at least 11 of these points was believed to have fibromyalgia.

Problems with the 1990 criteria:

  • Limited predictive validity

  • Difficult to standardize pressure algometry in primary care settings

  • Made tender point count impractical in clinical settings

  • Didn't consider important symptoms like sleep difficulties, fatigue, and cognitive problems

  • Conceptualized fibromyalgia as an "all or nothing" disorder rather than a spectrum

  • About 25% of fibromyalgia patients did not satisfy the 1990 classification criteria

  • Failed to account for patients who improved over time (30% no longer met criteria even though they still had fibromyalgia)

2010 ACR Criteria: Moving Beyond Tender Points

In 2010, the ACR proposed a new version of the diagnostic criteria based exclusively on the use of two scales: the Widespread Pain Index (WPI) and the Symptom Severity (SS) Scale.

This was revolutionary because it eliminated the need for a physical tender point examination, making diagnosis more accessible in primary care settings and better capturing the full symptom profile of fibromyalgia.

2016 ACR Revised Criteria: Current Standard

The 2016 revisions to the 2010/2011 fibromyalgia diagnostic criteria represent the current gold standard. Despite the appearance of newer criteria for FM diagnosis, the 2016 ACR criteria demonstrate the best performance in terms of sensitivity, specificity, and classification accuracy.

Current Diagnostic Criteria: How Fibromyalgia Is (or Should Be) Diagnosed in 2025

The current ACR criteria for fibromyalgia are defined as:

  1. Generalized pain (in at least 4 of 5 regions)

  2. Symptoms present for ≥3 months without another disorder to otherwise explain pain symptoms

  3. Meeting specific scoring thresholds on two assessment tools

The Widespread Pain Index (WPI)

The WPI divides the body into 19 regions and scores how many regions are reported as painful. The patient (not the doctor applying pressure) reports whether each area has been painful over the past week.

The 19 body regions assessed:

  • Shoulder girdle (left and right)

  • Upper arm (left and right)

  • Lower arm (left and right)

  • Hip (left and right)

  • Upper leg (left and right)

  • Lower leg (left and right)

  • Jaw (left and right)

  • Chest

  • Abdomen

  • Upper back

  • Lower back

  • Neck

WPI Score: 0-19 (total number of painful areas)

The Symptom Severity Scale (SSS)

The SSS assesses the severity of fatigue, unrefreshed awakening, and cognitive symptoms, as well as a checklist of 41 somatic symptoms.

Part 1: Rate severity of 3 key symptoms (0-3 scale each):

  1. Fatigue

  2. Waking unrefreshed (non-restorative sleep)

  3. Cognitive symptoms (memory problems, concentration difficulties)

Part 2: Additional symptoms checklist

Based on the number of additional symptoms present (from a list of 41 symptoms including irritable bowel syndrome, fatigue/tiredness, muscle weakness, Raynaud's phenomenon, tinnitus, etc.), patients receive a score:

  • 0 symptoms = score of 0

  • 1-10 symptoms = score of 1

  • 11-24 symptoms = score of 2

  • 25+ symptoms = score of 3

SSS Total Score: 0-12 (sum of Parts 1 and 2)

Diagnostic Thresholds

A patient satisfies diagnostic criteria for fibromyalgia if the following 3 conditions are met:

  1. Widespread Pain Index (WPI) ≥7 AND Symptom Severity Scale (SSS) score ≥5

    OR

    WPI 3-6 AND SSS score ≥9

  2. Generalized pain (defined as pain in at least 4 of 5 body regions)

  3. Symptoms have been present at a similar level for at least 3 months

  4. The patient does not have a disorder that would otherwise explain the pain

This simple clinical case definition of fibromyalgia correctly classifies 88.1% of cases and does not require a physical or tender point examination.

Tests to Rule Out Other Conditions: What to Request

While there's no test TO diagnose fibromyalgia, testing is essential to rule out conditions that mimic it.

Given the high prevalence of conditions that may mimic or exacerbate fibromyalgia symptoms, a strategic assessment is essential to determine which patients need further diagnostic testing.

Essential First-Line Laboratory Tests

Complete Blood Count (CBC):

  • Rules out anemia

  • Screens for infections

  • Checks for blood disorders

Comprehensive Metabolic Panel (CMP):

  • Kidney function

  • Liver function

  • Electrolyte balance

  • Blood glucose levels

Thyroid Function Tests: Request a COMPLETE thyroid panel:

  • TSH (thyroid stimulating hormone)

  • Free T4

  • Free T3 (often missed but important)

  • Thyroid antibodies (TPO, thyroglobulin) to screen for Hashimoto's

Why this matters: Hypothyroidism causes fatigue, muscle aches, brain fog, and pain—nearly identical to fibromyalgia. Many patients are told they have fibromyalgia when they actually have undertreated thyroid disease.

Vitamin D (25-OH):

  • Deficiency causes muscle pain, fatigue, and weakness

  • Optimal level: 50-80 ng/mL (not just >30)

Vitamin B12 and Folate:

  • B12 deficiency causes fatigue, cognitive problems, and neuropathic pain

  • Request methylmalonic acid (MMA) test if B12 is borderline

Inflammatory Markers:

  • Erythrocyte Sedimentation Rate (ESR)

  • C-Reactive Protein (CRP)

  • Help rule out inflammatory arthritis and autoimmune conditions

Tests to Rule Out Specific Conditions

Rheumatoid Factor and Anti-CCP:

  • Rules out rheumatoid arthritis

  • Important if you have joint pain/swelling

Antinuclear Antibody (ANA):

  • Screens for lupus and other autoimmune conditions

  • If positive, more specific antibodies are tested

Lyme Disease Testing (if appropriate):

  • If you live in or have visited endemic areas

  • Lyme can cause widespread pain, fatigue, and cognitive issues

Iron Studies:

  • Serum iron

  • Ferritin (storage iron)

  • Total iron binding capacity (TIBC)

  • Low ferritin causes fatigue and restless legs

Magnesium:

  • Deficiency causes muscle pain, cramps, and fatigue

  • Request RBC magnesium (more accurate than serum)

Creatine Kinase (CK):

  • Rules out muscle disorders

  • Elevated in inflammatory muscle diseases

When Imaging May Be Appropriate

While routine imaging isn't necessary for fibromyalgia diagnosis, your doctor may order:

X-rays:

  • If joint pain is prominent

  • Rules out arthritis or bone abnormalities

MRI:

  • If neurological symptoms are present

  • Rules out herniated discs, spinal stenosis

  • Screens for MS if certain symptoms present

Note: In fibromyalgia, all imaging comes back normal. This is actually part of the diagnostic picture.

How to Prepare for Your Doctor's Appointment

Since only 10% of doctors use proper diagnostic criteria, YOU may need to guide the process. Here's how to advocate for yourself effectively.

Before Your Appointment

1. Keep a symptom diary for 2-4 weeks:

  • Daily pain levels (1-10 scale) and locations

  • Fatigue levels

  • Sleep quality

  • Cognitive symptoms (memory problems, concentration)

  • What makes symptoms better/worse

  • Impact on daily activities

2. List all your symptoms: Even symptoms that seem unrelated (IBS, headaches, sensitivities). Fibromyalgia is a multi-system condition.

3. Document your medical history:

  • All medications tried and results

  • Previous diagnoses

  • Family history of autoimmune conditions or fibromyalgia

  • Triggering events (injury, infection, emotional trauma, surgery)

4. List specific functional impacts: Don't just say "I'm tired." Say:

  • "I can no longer work full-time"

  • "I have to rest after showering"

  • "I can't remember my coworkers' names"

  • "I've stopped seeing friends because I'm too exhausted"

During Your Appointment

1. Be direct about what you need: "I believe I may have fibromyalgia based on my symptoms. I'd like to be assessed using the 2016 ACR diagnostic criteria—the Widespread Pain Index and Symptom Severity Scale."

2. Request specific tests: "I'd like to rule out thyroid disease, vitamin deficiencies, and autoimmune conditions. Can we order [list from above]?"

3. Ask about their experience: "How many fibromyalgia patients do you treat?"
"Are you familiar with the current ACR diagnostic criteria?"

4. Request a referral if needed: "If you're not comfortable diagnosing or treating fibromyalgia, I'd appreciate a referral to a rheumatologist who specializes in the condition."

Red Flags: When to Find a Different Doctor

Leave if your doctor:

  • Says "fibromyalgia isn't real"

  • Dismisses your symptoms as "just stress" or "all in your head" without proper evaluation

  • Refuses to order basic tests

  • Tells you "your tests are normal so there's nothing wrong"

  • Won't consider fibromyalgia because you "don't look sick"

  • Only offers antidepressants without acknowledging pain

  • Doesn't listen to your full symptom list

You deserve a provider who takes your symptoms seriously and investigates thoroughly.

What Causes Fibromyalgia? Understanding the Mechanisms

Experts don't know what causes fibromyalgia, but studies have found that certain health conditions, stress and other changes in your life might trigger it.

Central Sensitization: The Core Problem

Researchers think that fibromyalgia affects the way the brain and spinal cord process painful and nonpainful signals. That increases your overall sensitivity to pain.

In fibromyalgia, the central nervous system may respond to pain signals differently. This can mean heightening these pain signals, or feeling pain when other people might only feel uncomfortable.

What central sensitization means:

  • Your pain volume knob is turned up too high

  • Normally non-painful stimuli become painful (allodynia)

  • Painful stimuli feel MORE painful (hyperalgesia)

  • Pain signals persist even after the initial trigger is gone

  • The nervous system becomes hypersensitive to ALL sensory input (not just pain)

The FITSS Model (2023)

According to the FITSS (Fibromyalgia: Imbalance of Threat and Soothing Systems) model, the salience network may remain continuously hyperactive due to an imbalance in emotion regulation, which is reflected by an overactive "threat" system and an underactive "soothing" system.

In simpler terms: Your brain's alarm system is stuck in the "on" position, constantly perceiving threats and unable to self-soothe effectively.

Brain Changes in Fibromyalgia

Neuroimaging studies have observed that fibromyalgia patients have:

  • Increased grey matter in the right postcentral gyrus and left angular gyrus

  • Decreased grey matter in the right cingulate gyrus, right paracingulate gyrus, left cerebellum, and left gyrus rectus

These changes affect pain processing, emotional regulation, and sensory integration.

Potential Triggers

Symptoms often start after a triggering event. Triggers can include:

  • Physical trauma or injury

  • Surgery

  • Infections (including viral illnesses)

  • Significant emotional stress or trauma

  • Autoimmune disease flares

Or the symptoms can build up over time, with no single event to trigger them.

Risk Factors

You may be more likely to develop fibromyalgia if:

Family history: You may be more likely to get fibromyalgia if a parent or sibling also has the condition. Genetic factors appear to play a role.

Sex: Fibromyalgia is more common in women than men (historically diagnosed 4-20% male, though men may be relatively underdiagnosed).

Other medical conditions: Your risk of fibromyalgia rises if you have:

  • Osteoarthritis

  • Rheumatoid arthritis

  • Lupus

  • Ankylosing spondylitis

  • Obesity

Emerging connections: Research has found mounting evidence that underscores the link between COVID-19 and the persistence of fibromyalgia symptoms after recovery.

Treatment After Diagnosis: What Actually Works

There's no cure for fibromyalgia, but medicines and other treatments can help control the symptoms. A comprehensive approach combining multiple strategies works best.

Treatment involves a comprehensive approach that combines nonpharmacological methods, such as education, exercise, and psychotherapy, with pharmacological interventions.

FDA-Approved Medications

A 2024 overview of Cochrane reviews concluded that the FDA-approved medications: duloxetine, milnacipran, or pregabalin were the only ones with evidence of efficacy. About 10% of patients with moderate or severe pain using them experienced a reduction of at least 50% in their pain.

Duloxetine (Cymbalta):

  • Serotonin-norepinephrine reuptake inhibitor (SNRI)

  • Addresses pain AND depression/anxiety

  • May take 3-6 months to see full effect

  • Typical dose: 30-60mg daily

Milnacipran (Savella):

  • Another SNRI

  • Specifically targets fibromyalgia pain

  • May take 3-6 months for full effect

  • Typical dose: 50-100mg twice daily

Pregabalin (Lyrica):

  • Anticonvulsant that blocks overactive nerve cells

  • Reduces pain signaling

  • May take 3-6 months to be fully effective

  • Typical dose: 150-450mg daily

Important reality check: These medications help about 30-40% of patients achieve meaningful pain reduction. They are not miracle cures and may cause side effects.

Low-Dose Tricyclic Antidepressants

Some people feel that offering them an antidepressant means their doctor thinks symptoms are "all in their head." This isn't the case—antidepressants are also anti-central pain medications, which isn't reflected in their name.

Amitriptyline:

  • Used at much lower doses than for depression

  • Helpful for pain AND insomnia

  • Patients who benefit report pain scores down by about a third

  • Any potential benefits may take up to three months to take effect

  • Typical dose: 10-50mg at bedtime

Medications That DON'T Work for Fibromyalgia

Drugs such as nonsteroidal anti-inflammatory drugs (NSAIDs), acetaminophen, and opioids are generally not recommended due to their limited effectiveness and potential risks.

Avoid:

  • Ibuprofen, naproxen (NSAIDs) - fibromyalgia isn't inflammatory

  • Tylenol - ineffective for central pain

  • Opioids - high risk, low benefit, can worsen central sensitization

The Most Important Treatment: Exercise

Exercise is the most effective treatment. This might sound impossible when you're in pain and exhausted, but it's true.

Best types of exercise:

  • Yoga

  • Tai chi

  • Swimming

  • Walking

  • Other low-impact aerobic activity

Why exercise works:

  • Reduces central sensitization

  • Improves sleep quality

  • Increases endorphins (natural pain relievers)

  • Builds strength and reduces deconditioning

  • Improves mood and mental health

The challenge: Moderate intensity exercise makes your pain worse, at least in the beginning, due to exercise intolerance.

The solution: Start extremely slowly

  • 5 minutes of gentle movement daily

  • Increase by 1-2 minutes per week

  • Pacing is critical—don't push through flares

  • Consistency matters more than intensity

IV Therapy for Fibromyalgia

At Rejuvenate, we offer integrated approaches that address the underlying mitochondrial dysfunction and neuroinflammation in fibromyalgia.

Myers Cocktail:

  • High-dose vitamin C, magnesium, B vitamins

  • Supports energy production

  • Reduces inflammation

  • Many patients report reduced pain and increased energy

NAD+ Therapy:

  • Supports mitochondrial function

  • Reduces cellular energy deficits

  • May improve fatigue and pain

  • Addresses the cellular level of dysfunction

Medical-Grade CBD:

  • Anti-inflammatory effects

  • Pain relief without THC

  • May improve sleep quality

  • Reduces anxiety

Ketamine Therapy:

  • For fibromyalgia with significant depression component

  • Rapid-acting for treatment-resistant cases

  • Addresses central sensitization at glutamate receptors

Combination protocols often work best because fibromyalgia is a multi-system condition requiring comprehensive support.

Other Beneficial Therapies

Acupuncture:

  • Can help reduce pain

  • May improve sleep and fatigue

  • Evidence of benefit for some patients

Massage therapy:

  • Reduces muscle tension

  • May provide temporary pain relief

  • Improves circulation

Cognitive Behavioral Therapy (CBT):

  • Helps manage stress and anxiety

  • Teaches coping strategies

  • Addresses catastrophizing and fear avoidance

  • Improves sleep hygiene

Chiropractic care:

  • May help musculoskeletal components

  • Gentle adjustments preferred

Sleep optimization:

  • Critical for fibromyalgia management

  • May need sleep study if sleep apnea suspected

  • Sleep hygiene education essential

  • Medications for sleep if needed

Lifestyle Modifications

Stress management:

  • Deep breathing exercises

  • Meditation and mindfulness

  • Yoga or tai chi

  • Setting boundaries

  • Therapy/counseling

Sleep hygiene:

  • Consistent sleep schedule

  • No eating 1 hour before bed

  • No screens before bed

  • Cool, dark, quiet bedroom

  • Avoid caffeine after 2 PM

Pacing activities:

  • Learn your energy envelope

  • Plan rest periods

  • Use energy conservation techniques

  • Avoid "boom and bust" cycles

Diet considerations:

  • Anti-inflammatory diet may help

  • Some find reducing sugar and processed foods beneficial

  • Adequate protein for muscle health

  • Stay hydrated

  • Track if certain foods trigger symptoms

Living with Fibromyalgia: Long-Term Outlook

Symptoms of fibromyalgia are regarded as persistent in nearly all patients. The German Federal Ministry of Health guidance on FM refers to a longitudinal study (n = 1,555) in which 10% of patients had substantial improvement in pain, 15% had moderate improvement, and 39% worsened.

The reality: Fibromyalgia is usually a lifelong condition. However, with proper treatment and management:

Many patients experience:

  • Reduced frequency and severity of flare-ups

  • Improved ability to function daily

  • Better quality of life

  • Effective symptom management strategies

  • Periods of relative remission

Success requires:

  • Finding the right combination of treatments

  • Consistent application of management strategies

  • Patience (finding what works takes time)

  • Self-advocacy

  • Support system

  • Accepting good days and bad days

People with fibromyalgia usually experience symptoms that come and go in periods called flare-ups. The peaks and valleys between feeling good and suddenly having a flare-up of symptoms can feel overwhelming.

Finding the Right Provider

The National Fibromyalgia Association advises patients to look for a doctor who has a lot of experience with fibromyalgia.

Where to find knowledgeable providers:

Rheumatologists:

  • Specialize in musculoskeletal and autoimmune conditions

  • Most familiar with fibromyalgia

  • Can rule out other rheumatologic conditions

Pain Management Specialists: Pain management specialists understand the full range of pain relief options, including how to use them in combination to achieve a successful outcome.

Functional Medicine Practitioners:

  • Take comprehensive approach

  • Address underlying factors

  • More time for thorough evaluation

  • May offer integrative treatments

Integrative Medicine Clinics:

  • Combine conventional and complementary therapies

  • Address multiple aspects of health

  • Often more familiar with IV therapies and advanced treatments

Questions to Ask Prospective Providers

  1. "How many fibromyalgia patients do you currently treat?"

  2. "Are you familiar with the 2016 ACR diagnostic criteria?"

  3. "What is your treatment approach?"

  4. "Do you use a multidisciplinary approach?"

  5. "What should I expect in terms of improvement timeline?"

  6. "How often will we follow up to adjust treatment?"

Conclusion: You Deserve Answers and Effective Treatment

Fibromyalgia diagnosis can be frustrating, but you're not imagining your symptoms and you're not alone. An estimated 5 million Americans have fibromyalgia, though many remain undiagnosed.

Key Takeaways:

  1. Fibromyalgia is real: It's a neurological condition with measurable brain changes, not "all in your head"

  2. Diagnosis is clinical: Based on symptom patterns and ruling out other conditions, not a single test

  3. Current criteria work: The 2016 ACR criteria are effective when properly applied

  4. Testing is for exclusion: Labs and imaging rule out mimics, not confirm fibromyalgia

  5. Treatment is multimodal: Combining medications, exercise, therapy, lifestyle changes, and complementary approaches works best

  6. Finding the right provider matters: Seek doctors experienced with fibromyalgia who use current diagnostic criteria

  7. You need to advocate: Be prepared with symptom documentation and specific requests

  8. Improvement is possible: While fibromyalgia is chronic, most people can achieve better quality of life with proper treatment

Your Next Steps:

  1. Document your symptoms for 2-4 weeks before seeking diagnosis

  2. Request appropriate testing to rule out other conditions

  3. Ask for ACR criteria assessment (WPI and SSS)

  4. Find an experienced provider if your current doctor won't help

  5. Consider integrated treatment including IV therapies, exercise, and stress management

  6. Be patient with treatment trials - finding the right combination takes time

  7. Connect with support - fibromyalgia support groups can be invaluable

Schedule a Consultation at Rejuvenate

At Rejuvenate, we understand the frustration of living with fibromyalgia after seeing multiple doctors without answers. Dr. James Dill (MD, Emergency Medicine) and Jamie Dill (RN, BSN) bring physician-supervised, evidence-based approaches to fibromyalgia management.

Our integrated treatment approach includes:

  • Comprehensive evaluation: Using current diagnostic standards

  • IV therapy protocols: NAD+, Myers Cocktail, medical-grade CBD

  • Ketamine therapy: For treatment-resistant depression often accompanying fibromyalgia

  • Personalized treatment plans: Addressing your specific symptom profile

  • Ongoing support: Regular follow-ups to optimize your treatment

We treat the WHOLE person, not just individual symptoms.

Schedule Your Consultation

Questions about fibromyalgia treatment?
Call us at (520) 276-5777 or email info@rejuvenate-az.com

References

  1. Salaffi F, et al. (2020). Diagnostic Criteria for Fibromyalgia: Critical Review and Future Perspectives. Journal of Clinical Medicine. https://pmc.ncbi.nlm.nih.gov/articles/PMC7230253/

  2. Park DJ, Lee SS. (2022). Disentangling Diagnosis and Management of Fibromyalgia. Journal of Rheumatic Diseases. https://www.jrd.or.kr/journal/view.html?doi=10.4078/jrd.2022.29.1.4

  3. Buiatti A, et al. (2024). Fibromyalgia: a new set of diagnostic criteria based on the biopsychosocial model. Rheumatology, 63(8), 2037-2040. https://academic.oup.com/rheumatology/article/63/8/2037/7600432

  4. Wolfe F, et al. (2010). The American College of Rheumatology preliminary diagnostic criteria for fibromyalgia and measurement of symptom severity. Arthritis Care & Research. https://pubmed.ncbi.nlm.nih.gov/20461783/

  5. GPnotebook. (2025). American College of Rheumatology (ACR) criteria for the classification of fibromyalgia. https://gpnotebook.com/pages/rheumatology/american-college-of-rheumatology-acr-criteria-for-the-classification-of-fibromyalgia

  6. Van Wilgen CP, et al. (2025). Only 1 Out of 10 of Clinicians Adhere to ACR Criteria for Fibromyalgia. HCPLive. https://www.hcplive.com/view/only-1-out-of-10-of-clinicians-adhere-to-acr-criteria-for-fibromyalgia

  7. Wikipedia. (2024). Fibromyalgia. https://en.wikipedia.org/wiki/Fibromyalgia

  8. Versus Arthritis. (2024). Our fibromyalgia research highlights. https://versusarthritis.org/news/2024/may/our-fibromyalgia-research-highlights/

  9. Cleveland Clinic. (2025). Fibromyalgia: Symptoms, Diagnosis & Treatment. https://my.clevelandclinic.org/health/diseases/4832-fibromyalgia

  10. Patient.info. (2024). Fibromyalgia: Symptoms, Causes, and Treatment. https://patient.info/signs-symptoms/tiredness-fatigue/fibromyalgia

  11. Mayo Clinic. (2025). Fibromyalgia: Combination of treatments often required. https://www.mayoclinic.org/diseases-conditions/fibromyalgia/symptoms-causes/syc-20354780

  12. StatPearls. (2025). Fibromyalgia. NCBI Bookshelf. https://www.ncbi.nlm.nih.gov/books/NBK540974/

  13. American College of Rheumatology. Fibromyalgia. https://rheumatology.org/patients/fibromyalgia

  14. American Fibromyalgia Syndrome Association (AFSA). Fibromyalgia Symptoms. https://www.fibromyalgiafund.org/symptoms/

  15. Di Carlo M, et al. (2024). Fibromyalgia: one year in review 2024. Clinical and Experimental Rheumatology. https://pubmed.ncbi.nlm.nih.gov/38607678/

  16. American Society of Anesthesiologists. Fibromyalgia - Causes, Symptoms, & Relief. https://madeforthismoment.asahq.org/pain-management/types-of-pain/fibromyalgia/

Medical Disclaimer: The information provided in this article is for educational purposes only and does not constitute medical advice. Fibromyalgia diagnosis requires clinical evaluation by a qualified healthcare provider. The content should not replace professional medical advice, diagnosis, or treatment. Always consult with a qualified healthcare provider before making changes to your treatment plan or starting new therapies.

Discover how Rejuvenate can transform your health and well-being.

Discover how Rejuvenate can transform your health and well-being.

Discover how Rejuvenate can transform your health and well-being.

11.20.2025

15-17 mins

Fibromyalgia Diagnosis: Why It's So Hard and What to Expect

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Dr. James Dill, MD

Co Founder, Rejuvenate

Why Fibromyalgia Is One of the Hardest Conditions to Diagnose

If you're reading this, you've likely been on a frustrating journey trying to get answers. You hurt all over, you're exhausted despite sleeping, and your brain feels foggy—but test after test comes back "normal." Your doctor seems skeptical. Family members wonder if it's "all in your head." You're not alone, and you're not imagining it.

Fibromyalgia is one of the most challenging conditions to diagnose because there's no blood test, imaging study, or definitive biomarker to confirm it. There is no blood test, other lab or diagnostic test, or imaging study that can identify fibromyalgia. That's why doctors must rule out other possible causes of symptoms like pain and fatigue before making a fibromyalgia diagnosis.

The stark reality: Only 1 out of 10 clinicians adhere to the official American College of Rheumatology (ACR) diagnostic criteria for fibromyalgia. This means 90% of healthcare providers are diagnosing—or more often, missing—fibromyalgia without using the proper assessment tools.

This lack of knowledge leads to years of misdiagnosis, dismissal, and suffering for patients. The average person with fibromyalgia sees 5+ doctors before getting an accurate diagnosis.

This comprehensive guide will help you understand:

  • What fibromyalgia actually feels like (in patients' own words)

  • Why diagnosis is so complicated

  • The current diagnostic criteria doctors should be using

  • What tests to request to rule out other conditions

  • How to find a knowledgeable provider

  • Treatment options that actually work

What Does Fibromyalgia Actually Feel Like?

Before we dive into diagnostic criteria, let's talk about the lived experience. Understanding what fibromyalgia feels like can help you communicate your symptoms more effectively to healthcare providers.

The Pain: More Than Just "Hurting All Over"

The hallmark feature of fibromyalgia is widespread musculoskeletal pain lasting at least 3 months. Patients typically describe the pain as aching, although it may also be dull, sharp, shooting, or burning. Common expressions include "I hurt all over" or "I feel like I always have the flu."

Patient descriptions of fibromyalgia pain:

People describe fibromyalgia pain as deep muscular aching, throbbing, shooting, stabbing, or intense burning. The pain is often characterized by:

Widespread distribution:

  • Affects multiple body areas simultaneously

  • Neck and back are the most common places to feel pain

  • Upper mid-trapezius, lateral epicondyle, second costochondral junction, and greater trochanter are typical sites

  • Additional sites may include the head, lower back, buttocks, and abdomen

  • At least 6 soft tissue sites involving the upper and lower body are typically affected

Variable intensity:

  • Severity can vary from day to day

  • Minimal activities exacerbate the pain

  • Morning stiffness is common

  • Pain tends to linger for a longer period when it occurs

  • The slightest touch can cause pain (allodynia - when normally non-painful stimuli become painful)

Burning and stabbing sensations:

According to the NHS, widespread pain is a major symptom, which could feel like an ache, a burning sensation, or a sharp, stabbing pain. Patients are also susceptible to heightened pain sensitivity, and the slightest touch can cause pain.

One patient described it: "My skin feels like a bad sunburn, but there's no visible reason for it."

Another: "It feels like the flu—deep muscle aches that make you want to curl up in bed—except it never goes away."

The Exhaustion: Beyond Normal Tiredness

Debilitating fatigue, along with sleep disturbances, is a core feature of fibromyalgia. As with the widespread pain, mild to moderate activity exacerbates fatigue, as does prolonged inactivity.

What fibromyalgia fatigue actually feels like:

"Exhaustion is the most incapacitating fibromyalgia symptom. You feel as though your arms and legs are weighed down by concrete blocks. The lethargy can be overwhelming."

Physical fatigue characteristics:

  • Feeling of exhaustion after even minimal exercise

  • Limitation in daily activities

  • Disproportionate fatigue compared to activity level

  • Not relieved by rest or sleep

  • Worsens with activity, but also with inactivity (catch-22)

One patient explained: "When fatigue hits, for me it's most noticeable when I try to walk. I describe it as trying to wade through treacle."

The Sleep Problems: Unrefreshing Rest

Patients with fibromyalgia often report light sleep, frequent early morning awakenings, difficulty falling back asleep, and not feeling well-rested in the morning.

Sleep disturbances in fibromyalgia include:

  • Difficulty falling asleep despite exhaustion

  • Frequent early morning awakenings

  • Light, non-restorative sleep

  • Not feeling refreshed after a full night's sleep

  • Waking up feeling like "hit by a Mack truck"

  • Repeat arousals prevent reaching deep, restorative sleep

The frustration: "Sleeping badly and waking up feeling unrested. Even after 8-9 hours in bed, I wake up more tired than when I went to sleep."

"Fibro Fog": The Cognitive Symptoms

Most patients with fibromyalgia experience cognitive disturbances, commonly reporting difficulty concentrating and performing tasks that require quick processing speed.

What "fibro fog" feels like:

"For me, it's the feeling of fogginess that affects me most. Not being able to think clearly or not being able to remember the simplest of words."

Common cognitive symptoms include:

  • Trouble concentrating and retaining new information

  • Word-finding difficulties ("It's on the tip of my tongue...")

  • Difficulty processing information quickly

  • Easily distracted

  • Avoiding multitasking (becomes overwhelming)

  • Memory problems and forgetfulness

  • Slower thought processing

Patients describe feeling like they're "thinking through a fog" or "brain feels cloudy."

Sensory Sensitivities: The World Feels Too Loud, Too Bright, Too Much

Evidence suggests that people who have fibromyalgia have excess sensitivity (hypersensitivity) to pain receptors in the brain (central nervous system) as well as hypersensitivity to light, smells and sound.

Heightened sensory experiences:

  • Lights seem too bright and trigger headaches

  • Normal sounds feel overwhelming or painful

  • Strong smells trigger nausea or migraines

  • Touch sensitivity (clothes, sheets, hugs can hurt)

  • Temperature sensitivity (especially cold)

"Lights, sounds, odors, and other sensory sensations are annoying and worsen your painful symptoms. You feel as though all your senses are magnified."

Additional Common Symptoms

Irritable Bowel Syndrome:

Irritable bowel syndrome occurs commonly in up to 70% of people with fibromyalgia - with abdominal pains, sometimes with diarrhea, constipation or bloating.

Headaches:

  • Tension headaches are common

  • Migraines occur frequently

  • Often triggered by light, sound, or stress

Bladder Issues:

  • Irritable bladder is common - needing to pass water more frequently than usual

  • Interstitial cystitis (painful bladder syndrome) in some patients

Balance and Dizziness:

Fibromyalgia patients experience greatly reduced balance confidence. Additionally, ringing in the ears and dizziness are common yet related symptoms.

Skin Problems:

"Your skin looks normal but might feel like a bad sunburn. Alternatively, your skin may have itchy red bumps like hives."

Restless Legs Syndrome:

About 1 in 5 people with fibromyalgia also have restless legs syndrome—an uncomfortable sensation in the legs with an irresistible urge to move them.

The Emotional Toll

Depression or anxiety develops in some people. It's hard to know if this is a primary symptom or a consequence of living with chronic pain and feeling dismissed by healthcare providers.

People with fibromyalgia are more likely to be hospitalized because of pain, fatigue or mental health symptoms. The condition significantly impacts quality of life, relationships, and ability to work.

Why Fibromyalgia Is So Hard to Diagnose

No Single Definitive Test

Unlike conditions with clear diagnostic markers (like rheumatoid arthritis with positive rheumatoid factor, or diabetes with elevated blood sugar), fibromyalgia has no biomarker.

Routine laboratory and imaging tests are typically normal and, while not required for diagnosis, are essential for excluding other potential underlying conditions.

The "Invisible Illness" Problem

You look healthy. Your bloodwork is normal. Your imaging is clear. To an uninformed observer—or even to some doctors—you appear fine. This creates a credibility problem where patients feel their very real symptoms are being questioned or dismissed.

Fibromyalgia is real, and so is how you feel. The lack of objective markers of the illness has been a persistent problem in FMS research, clinical management, and social recognition of the disease.

Overlap with Other Conditions

Fibromyalgia often happens with other conditions, such as:

  • Irritable bowel syndrome

  • Chronic fatigue syndrome

  • Migraine and other types of headaches

  • Interstitial cystitis (painful bladder syndrome)

  • TMJ disorders

  • Depression

  • Postural tachycardia syndrome

  • Post-COVID syndrome (long COVID)

Any of these conditions can mimic fibromyalgia or coexist with it, making diagnosis even more complicated.

Many Doctors Don't Know the Current Criteria

This is perhaps the most frustrating barrier: Only 10% of clinicians follow the ACR criteria for fibromyalgia diagnosis. The remaining 90% rely on outdated methods (like tender point examinations that are no longer recommended), incomplete criteria, or their own limited understanding of the condition.

The National Fibromyalgia Association advises patients to look for a doctor who has a lot of experience with fibromyalgia: "Since people with fibromyalgia tend to look healthy and conventional tests are typically normal, a physician knowledgeable about the disorder is necessary to make a diagnosis."

The Evolution of Fibromyalgia Diagnostic Criteria

Understanding how diagnostic criteria have changed helps explain why many doctors are still using outdated methods.

1990 ACR Criteria: The Tender Point Era

The original 1990 criteria relied heavily on a tender point examination. A doctor would apply pressure to 18 specific points on the body; a patient who felt pain in at least 11 of these points was believed to have fibromyalgia.

Problems with the 1990 criteria:

  • Limited predictive validity

  • Difficult to standardize pressure algometry in primary care settings

  • Made tender point count impractical in clinical settings

  • Didn't consider important symptoms like sleep difficulties, fatigue, and cognitive problems

  • Conceptualized fibromyalgia as an "all or nothing" disorder rather than a spectrum

  • About 25% of fibromyalgia patients did not satisfy the 1990 classification criteria

  • Failed to account for patients who improved over time (30% no longer met criteria even though they still had fibromyalgia)

2010 ACR Criteria: Moving Beyond Tender Points

In 2010, the ACR proposed a new version of the diagnostic criteria based exclusively on the use of two scales: the Widespread Pain Index (WPI) and the Symptom Severity (SS) Scale.

This was revolutionary because it eliminated the need for a physical tender point examination, making diagnosis more accessible in primary care settings and better capturing the full symptom profile of fibromyalgia.

2016 ACR Revised Criteria: Current Standard

The 2016 revisions to the 2010/2011 fibromyalgia diagnostic criteria represent the current gold standard. Despite the appearance of newer criteria for FM diagnosis, the 2016 ACR criteria demonstrate the best performance in terms of sensitivity, specificity, and classification accuracy.

Current Diagnostic Criteria: How Fibromyalgia Is (or Should Be) Diagnosed in 2025

The current ACR criteria for fibromyalgia are defined as:

  1. Generalized pain (in at least 4 of 5 regions)

  2. Symptoms present for ≥3 months without another disorder to otherwise explain pain symptoms

  3. Meeting specific scoring thresholds on two assessment tools

The Widespread Pain Index (WPI)

The WPI divides the body into 19 regions and scores how many regions are reported as painful. The patient (not the doctor applying pressure) reports whether each area has been painful over the past week.

The 19 body regions assessed:

  • Shoulder girdle (left and right)

  • Upper arm (left and right)

  • Lower arm (left and right)

  • Hip (left and right)

  • Upper leg (left and right)

  • Lower leg (left and right)

  • Jaw (left and right)

  • Chest

  • Abdomen

  • Upper back

  • Lower back

  • Neck

WPI Score: 0-19 (total number of painful areas)

The Symptom Severity Scale (SSS)

The SSS assesses the severity of fatigue, unrefreshed awakening, and cognitive symptoms, as well as a checklist of 41 somatic symptoms.

Part 1: Rate severity of 3 key symptoms (0-3 scale each):

  1. Fatigue

  2. Waking unrefreshed (non-restorative sleep)

  3. Cognitive symptoms (memory problems, concentration difficulties)

Part 2: Additional symptoms checklist

Based on the number of additional symptoms present (from a list of 41 symptoms including irritable bowel syndrome, fatigue/tiredness, muscle weakness, Raynaud's phenomenon, tinnitus, etc.), patients receive a score:

  • 0 symptoms = score of 0

  • 1-10 symptoms = score of 1

  • 11-24 symptoms = score of 2

  • 25+ symptoms = score of 3

SSS Total Score: 0-12 (sum of Parts 1 and 2)

Diagnostic Thresholds

A patient satisfies diagnostic criteria for fibromyalgia if the following 3 conditions are met:

  1. Widespread Pain Index (WPI) ≥7 AND Symptom Severity Scale (SSS) score ≥5

    OR

    WPI 3-6 AND SSS score ≥9

  2. Generalized pain (defined as pain in at least 4 of 5 body regions)

  3. Symptoms have been present at a similar level for at least 3 months

  4. The patient does not have a disorder that would otherwise explain the pain

This simple clinical case definition of fibromyalgia correctly classifies 88.1% of cases and does not require a physical or tender point examination.

Tests to Rule Out Other Conditions: What to Request

While there's no test TO diagnose fibromyalgia, testing is essential to rule out conditions that mimic it.

Given the high prevalence of conditions that may mimic or exacerbate fibromyalgia symptoms, a strategic assessment is essential to determine which patients need further diagnostic testing.

Essential First-Line Laboratory Tests

Complete Blood Count (CBC):

  • Rules out anemia

  • Screens for infections

  • Checks for blood disorders

Comprehensive Metabolic Panel (CMP):

  • Kidney function

  • Liver function

  • Electrolyte balance

  • Blood glucose levels

Thyroid Function Tests: Request a COMPLETE thyroid panel:

  • TSH (thyroid stimulating hormone)

  • Free T4

  • Free T3 (often missed but important)

  • Thyroid antibodies (TPO, thyroglobulin) to screen for Hashimoto's

Why this matters: Hypothyroidism causes fatigue, muscle aches, brain fog, and pain—nearly identical to fibromyalgia. Many patients are told they have fibromyalgia when they actually have undertreated thyroid disease.

Vitamin D (25-OH):

  • Deficiency causes muscle pain, fatigue, and weakness

  • Optimal level: 50-80 ng/mL (not just >30)

Vitamin B12 and Folate:

  • B12 deficiency causes fatigue, cognitive problems, and neuropathic pain

  • Request methylmalonic acid (MMA) test if B12 is borderline

Inflammatory Markers:

  • Erythrocyte Sedimentation Rate (ESR)

  • C-Reactive Protein (CRP)

  • Help rule out inflammatory arthritis and autoimmune conditions

Tests to Rule Out Specific Conditions

Rheumatoid Factor and Anti-CCP:

  • Rules out rheumatoid arthritis

  • Important if you have joint pain/swelling

Antinuclear Antibody (ANA):

  • Screens for lupus and other autoimmune conditions

  • If positive, more specific antibodies are tested

Lyme Disease Testing (if appropriate):

  • If you live in or have visited endemic areas

  • Lyme can cause widespread pain, fatigue, and cognitive issues

Iron Studies:

  • Serum iron

  • Ferritin (storage iron)

  • Total iron binding capacity (TIBC)

  • Low ferritin causes fatigue and restless legs

Magnesium:

  • Deficiency causes muscle pain, cramps, and fatigue

  • Request RBC magnesium (more accurate than serum)

Creatine Kinase (CK):

  • Rules out muscle disorders

  • Elevated in inflammatory muscle diseases

When Imaging May Be Appropriate

While routine imaging isn't necessary for fibromyalgia diagnosis, your doctor may order:

X-rays:

  • If joint pain is prominent

  • Rules out arthritis or bone abnormalities

MRI:

  • If neurological symptoms are present

  • Rules out herniated discs, spinal stenosis

  • Screens for MS if certain symptoms present

Note: In fibromyalgia, all imaging comes back normal. This is actually part of the diagnostic picture.

How to Prepare for Your Doctor's Appointment

Since only 10% of doctors use proper diagnostic criteria, YOU may need to guide the process. Here's how to advocate for yourself effectively.

Before Your Appointment

1. Keep a symptom diary for 2-4 weeks:

  • Daily pain levels (1-10 scale) and locations

  • Fatigue levels

  • Sleep quality

  • Cognitive symptoms (memory problems, concentration)

  • What makes symptoms better/worse

  • Impact on daily activities

2. List all your symptoms: Even symptoms that seem unrelated (IBS, headaches, sensitivities). Fibromyalgia is a multi-system condition.

3. Document your medical history:

  • All medications tried and results

  • Previous diagnoses

  • Family history of autoimmune conditions or fibromyalgia

  • Triggering events (injury, infection, emotional trauma, surgery)

4. List specific functional impacts: Don't just say "I'm tired." Say:

  • "I can no longer work full-time"

  • "I have to rest after showering"

  • "I can't remember my coworkers' names"

  • "I've stopped seeing friends because I'm too exhausted"

During Your Appointment

1. Be direct about what you need: "I believe I may have fibromyalgia based on my symptoms. I'd like to be assessed using the 2016 ACR diagnostic criteria—the Widespread Pain Index and Symptom Severity Scale."

2. Request specific tests: "I'd like to rule out thyroid disease, vitamin deficiencies, and autoimmune conditions. Can we order [list from above]?"

3. Ask about their experience: "How many fibromyalgia patients do you treat?"
"Are you familiar with the current ACR diagnostic criteria?"

4. Request a referral if needed: "If you're not comfortable diagnosing or treating fibromyalgia, I'd appreciate a referral to a rheumatologist who specializes in the condition."

Red Flags: When to Find a Different Doctor

Leave if your doctor:

  • Says "fibromyalgia isn't real"

  • Dismisses your symptoms as "just stress" or "all in your head" without proper evaluation

  • Refuses to order basic tests

  • Tells you "your tests are normal so there's nothing wrong"

  • Won't consider fibromyalgia because you "don't look sick"

  • Only offers antidepressants without acknowledging pain

  • Doesn't listen to your full symptom list

You deserve a provider who takes your symptoms seriously and investigates thoroughly.

What Causes Fibromyalgia? Understanding the Mechanisms

Experts don't know what causes fibromyalgia, but studies have found that certain health conditions, stress and other changes in your life might trigger it.

Central Sensitization: The Core Problem

Researchers think that fibromyalgia affects the way the brain and spinal cord process painful and nonpainful signals. That increases your overall sensitivity to pain.

In fibromyalgia, the central nervous system may respond to pain signals differently. This can mean heightening these pain signals, or feeling pain when other people might only feel uncomfortable.

What central sensitization means:

  • Your pain volume knob is turned up too high

  • Normally non-painful stimuli become painful (allodynia)

  • Painful stimuli feel MORE painful (hyperalgesia)

  • Pain signals persist even after the initial trigger is gone

  • The nervous system becomes hypersensitive to ALL sensory input (not just pain)

The FITSS Model (2023)

According to the FITSS (Fibromyalgia: Imbalance of Threat and Soothing Systems) model, the salience network may remain continuously hyperactive due to an imbalance in emotion regulation, which is reflected by an overactive "threat" system and an underactive "soothing" system.

In simpler terms: Your brain's alarm system is stuck in the "on" position, constantly perceiving threats and unable to self-soothe effectively.

Brain Changes in Fibromyalgia

Neuroimaging studies have observed that fibromyalgia patients have:

  • Increased grey matter in the right postcentral gyrus and left angular gyrus

  • Decreased grey matter in the right cingulate gyrus, right paracingulate gyrus, left cerebellum, and left gyrus rectus

These changes affect pain processing, emotional regulation, and sensory integration.

Potential Triggers

Symptoms often start after a triggering event. Triggers can include:

  • Physical trauma or injury

  • Surgery

  • Infections (including viral illnesses)

  • Significant emotional stress or trauma

  • Autoimmune disease flares

Or the symptoms can build up over time, with no single event to trigger them.

Risk Factors

You may be more likely to develop fibromyalgia if:

Family history: You may be more likely to get fibromyalgia if a parent or sibling also has the condition. Genetic factors appear to play a role.

Sex: Fibromyalgia is more common in women than men (historically diagnosed 4-20% male, though men may be relatively underdiagnosed).

Other medical conditions: Your risk of fibromyalgia rises if you have:

  • Osteoarthritis

  • Rheumatoid arthritis

  • Lupus

  • Ankylosing spondylitis

  • Obesity

Emerging connections: Research has found mounting evidence that underscores the link between COVID-19 and the persistence of fibromyalgia symptoms after recovery.

Treatment After Diagnosis: What Actually Works

There's no cure for fibromyalgia, but medicines and other treatments can help control the symptoms. A comprehensive approach combining multiple strategies works best.

Treatment involves a comprehensive approach that combines nonpharmacological methods, such as education, exercise, and psychotherapy, with pharmacological interventions.

FDA-Approved Medications

A 2024 overview of Cochrane reviews concluded that the FDA-approved medications: duloxetine, milnacipran, or pregabalin were the only ones with evidence of efficacy. About 10% of patients with moderate or severe pain using them experienced a reduction of at least 50% in their pain.

Duloxetine (Cymbalta):

  • Serotonin-norepinephrine reuptake inhibitor (SNRI)

  • Addresses pain AND depression/anxiety

  • May take 3-6 months to see full effect

  • Typical dose: 30-60mg daily

Milnacipran (Savella):

  • Another SNRI

  • Specifically targets fibromyalgia pain

  • May take 3-6 months for full effect

  • Typical dose: 50-100mg twice daily

Pregabalin (Lyrica):

  • Anticonvulsant that blocks overactive nerve cells

  • Reduces pain signaling

  • May take 3-6 months to be fully effective

  • Typical dose: 150-450mg daily

Important reality check: These medications help about 30-40% of patients achieve meaningful pain reduction. They are not miracle cures and may cause side effects.

Low-Dose Tricyclic Antidepressants

Some people feel that offering them an antidepressant means their doctor thinks symptoms are "all in their head." This isn't the case—antidepressants are also anti-central pain medications, which isn't reflected in their name.

Amitriptyline:

  • Used at much lower doses than for depression

  • Helpful for pain AND insomnia

  • Patients who benefit report pain scores down by about a third

  • Any potential benefits may take up to three months to take effect

  • Typical dose: 10-50mg at bedtime

Medications That DON'T Work for Fibromyalgia

Drugs such as nonsteroidal anti-inflammatory drugs (NSAIDs), acetaminophen, and opioids are generally not recommended due to their limited effectiveness and potential risks.

Avoid:

  • Ibuprofen, naproxen (NSAIDs) - fibromyalgia isn't inflammatory

  • Tylenol - ineffective for central pain

  • Opioids - high risk, low benefit, can worsen central sensitization

The Most Important Treatment: Exercise

Exercise is the most effective treatment. This might sound impossible when you're in pain and exhausted, but it's true.

Best types of exercise:

  • Yoga

  • Tai chi

  • Swimming

  • Walking

  • Other low-impact aerobic activity

Why exercise works:

  • Reduces central sensitization

  • Improves sleep quality

  • Increases endorphins (natural pain relievers)

  • Builds strength and reduces deconditioning

  • Improves mood and mental health

The challenge: Moderate intensity exercise makes your pain worse, at least in the beginning, due to exercise intolerance.

The solution: Start extremely slowly

  • 5 minutes of gentle movement daily

  • Increase by 1-2 minutes per week

  • Pacing is critical—don't push through flares

  • Consistency matters more than intensity

IV Therapy for Fibromyalgia

At Rejuvenate, we offer integrated approaches that address the underlying mitochondrial dysfunction and neuroinflammation in fibromyalgia.

Myers Cocktail:

  • High-dose vitamin C, magnesium, B vitamins

  • Supports energy production

  • Reduces inflammation

  • Many patients report reduced pain and increased energy

NAD+ Therapy:

  • Supports mitochondrial function

  • Reduces cellular energy deficits

  • May improve fatigue and pain

  • Addresses the cellular level of dysfunction

Medical-Grade CBD:

  • Anti-inflammatory effects

  • Pain relief without THC

  • May improve sleep quality

  • Reduces anxiety

Ketamine Therapy:

  • For fibromyalgia with significant depression component

  • Rapid-acting for treatment-resistant cases

  • Addresses central sensitization at glutamate receptors

Combination protocols often work best because fibromyalgia is a multi-system condition requiring comprehensive support.

Other Beneficial Therapies

Acupuncture:

  • Can help reduce pain

  • May improve sleep and fatigue

  • Evidence of benefit for some patients

Massage therapy:

  • Reduces muscle tension

  • May provide temporary pain relief

  • Improves circulation

Cognitive Behavioral Therapy (CBT):

  • Helps manage stress and anxiety

  • Teaches coping strategies

  • Addresses catastrophizing and fear avoidance

  • Improves sleep hygiene

Chiropractic care:

  • May help musculoskeletal components

  • Gentle adjustments preferred

Sleep optimization:

  • Critical for fibromyalgia management

  • May need sleep study if sleep apnea suspected

  • Sleep hygiene education essential

  • Medications for sleep if needed

Lifestyle Modifications

Stress management:

  • Deep breathing exercises

  • Meditation and mindfulness

  • Yoga or tai chi

  • Setting boundaries

  • Therapy/counseling

Sleep hygiene:

  • Consistent sleep schedule

  • No eating 1 hour before bed

  • No screens before bed

  • Cool, dark, quiet bedroom

  • Avoid caffeine after 2 PM

Pacing activities:

  • Learn your energy envelope

  • Plan rest periods

  • Use energy conservation techniques

  • Avoid "boom and bust" cycles

Diet considerations:

  • Anti-inflammatory diet may help

  • Some find reducing sugar and processed foods beneficial

  • Adequate protein for muscle health

  • Stay hydrated

  • Track if certain foods trigger symptoms

Living with Fibromyalgia: Long-Term Outlook

Symptoms of fibromyalgia are regarded as persistent in nearly all patients. The German Federal Ministry of Health guidance on FM refers to a longitudinal study (n = 1,555) in which 10% of patients had substantial improvement in pain, 15% had moderate improvement, and 39% worsened.

The reality: Fibromyalgia is usually a lifelong condition. However, with proper treatment and management:

Many patients experience:

  • Reduced frequency and severity of flare-ups

  • Improved ability to function daily

  • Better quality of life

  • Effective symptom management strategies

  • Periods of relative remission

Success requires:

  • Finding the right combination of treatments

  • Consistent application of management strategies

  • Patience (finding what works takes time)

  • Self-advocacy

  • Support system

  • Accepting good days and bad days

People with fibromyalgia usually experience symptoms that come and go in periods called flare-ups. The peaks and valleys between feeling good and suddenly having a flare-up of symptoms can feel overwhelming.

Finding the Right Provider

The National Fibromyalgia Association advises patients to look for a doctor who has a lot of experience with fibromyalgia.

Where to find knowledgeable providers:

Rheumatologists:

  • Specialize in musculoskeletal and autoimmune conditions

  • Most familiar with fibromyalgia

  • Can rule out other rheumatologic conditions

Pain Management Specialists: Pain management specialists understand the full range of pain relief options, including how to use them in combination to achieve a successful outcome.

Functional Medicine Practitioners:

  • Take comprehensive approach

  • Address underlying factors

  • More time for thorough evaluation

  • May offer integrative treatments

Integrative Medicine Clinics:

  • Combine conventional and complementary therapies

  • Address multiple aspects of health

  • Often more familiar with IV therapies and advanced treatments

Questions to Ask Prospective Providers

  1. "How many fibromyalgia patients do you currently treat?"

  2. "Are you familiar with the 2016 ACR diagnostic criteria?"

  3. "What is your treatment approach?"

  4. "Do you use a multidisciplinary approach?"

  5. "What should I expect in terms of improvement timeline?"

  6. "How often will we follow up to adjust treatment?"

Conclusion: You Deserve Answers and Effective Treatment

Fibromyalgia diagnosis can be frustrating, but you're not imagining your symptoms and you're not alone. An estimated 5 million Americans have fibromyalgia, though many remain undiagnosed.

Key Takeaways:

  1. Fibromyalgia is real: It's a neurological condition with measurable brain changes, not "all in your head"

  2. Diagnosis is clinical: Based on symptom patterns and ruling out other conditions, not a single test

  3. Current criteria work: The 2016 ACR criteria are effective when properly applied

  4. Testing is for exclusion: Labs and imaging rule out mimics, not confirm fibromyalgia

  5. Treatment is multimodal: Combining medications, exercise, therapy, lifestyle changes, and complementary approaches works best

  6. Finding the right provider matters: Seek doctors experienced with fibromyalgia who use current diagnostic criteria

  7. You need to advocate: Be prepared with symptom documentation and specific requests

  8. Improvement is possible: While fibromyalgia is chronic, most people can achieve better quality of life with proper treatment

Your Next Steps:

  1. Document your symptoms for 2-4 weeks before seeking diagnosis

  2. Request appropriate testing to rule out other conditions

  3. Ask for ACR criteria assessment (WPI and SSS)

  4. Find an experienced provider if your current doctor won't help

  5. Consider integrated treatment including IV therapies, exercise, and stress management

  6. Be patient with treatment trials - finding the right combination takes time

  7. Connect with support - fibromyalgia support groups can be invaluable

Schedule a Consultation at Rejuvenate

At Rejuvenate, we understand the frustration of living with fibromyalgia after seeing multiple doctors without answers. Dr. James Dill (MD, Emergency Medicine) and Jamie Dill (RN, BSN) bring physician-supervised, evidence-based approaches to fibromyalgia management.

Our integrated treatment approach includes:

  • Comprehensive evaluation: Using current diagnostic standards

  • IV therapy protocols: NAD+, Myers Cocktail, medical-grade CBD

  • Ketamine therapy: For treatment-resistant depression often accompanying fibromyalgia

  • Personalized treatment plans: Addressing your specific symptom profile

  • Ongoing support: Regular follow-ups to optimize your treatment

We treat the WHOLE person, not just individual symptoms.

Schedule Your Consultation

Questions about fibromyalgia treatment?
Call us at (520) 276-5777 or email info@rejuvenate-az.com

References

  1. Salaffi F, et al. (2020). Diagnostic Criteria for Fibromyalgia: Critical Review and Future Perspectives. Journal of Clinical Medicine. https://pmc.ncbi.nlm.nih.gov/articles/PMC7230253/

  2. Park DJ, Lee SS. (2022). Disentangling Diagnosis and Management of Fibromyalgia. Journal of Rheumatic Diseases. https://www.jrd.or.kr/journal/view.html?doi=10.4078/jrd.2022.29.1.4

  3. Buiatti A, et al. (2024). Fibromyalgia: a new set of diagnostic criteria based on the biopsychosocial model. Rheumatology, 63(8), 2037-2040. https://academic.oup.com/rheumatology/article/63/8/2037/7600432

  4. Wolfe F, et al. (2010). The American College of Rheumatology preliminary diagnostic criteria for fibromyalgia and measurement of symptom severity. Arthritis Care & Research. https://pubmed.ncbi.nlm.nih.gov/20461783/

  5. GPnotebook. (2025). American College of Rheumatology (ACR) criteria for the classification of fibromyalgia. https://gpnotebook.com/pages/rheumatology/american-college-of-rheumatology-acr-criteria-for-the-classification-of-fibromyalgia

  6. Van Wilgen CP, et al. (2025). Only 1 Out of 10 of Clinicians Adhere to ACR Criteria for Fibromyalgia. HCPLive. https://www.hcplive.com/view/only-1-out-of-10-of-clinicians-adhere-to-acr-criteria-for-fibromyalgia

  7. Wikipedia. (2024). Fibromyalgia. https://en.wikipedia.org/wiki/Fibromyalgia

  8. Versus Arthritis. (2024). Our fibromyalgia research highlights. https://versusarthritis.org/news/2024/may/our-fibromyalgia-research-highlights/

  9. Cleveland Clinic. (2025). Fibromyalgia: Symptoms, Diagnosis & Treatment. https://my.clevelandclinic.org/health/diseases/4832-fibromyalgia

  10. Patient.info. (2024). Fibromyalgia: Symptoms, Causes, and Treatment. https://patient.info/signs-symptoms/tiredness-fatigue/fibromyalgia

  11. Mayo Clinic. (2025). Fibromyalgia: Combination of treatments often required. https://www.mayoclinic.org/diseases-conditions/fibromyalgia/symptoms-causes/syc-20354780

  12. StatPearls. (2025). Fibromyalgia. NCBI Bookshelf. https://www.ncbi.nlm.nih.gov/books/NBK540974/

  13. American College of Rheumatology. Fibromyalgia. https://rheumatology.org/patients/fibromyalgia

  14. American Fibromyalgia Syndrome Association (AFSA). Fibromyalgia Symptoms. https://www.fibromyalgiafund.org/symptoms/

  15. Di Carlo M, et al. (2024). Fibromyalgia: one year in review 2024. Clinical and Experimental Rheumatology. https://pubmed.ncbi.nlm.nih.gov/38607678/

  16. American Society of Anesthesiologists. Fibromyalgia - Causes, Symptoms, & Relief. https://madeforthismoment.asahq.org/pain-management/types-of-pain/fibromyalgia/

Medical Disclaimer: The information provided in this article is for educational purposes only and does not constitute medical advice. Fibromyalgia diagnosis requires clinical evaluation by a qualified healthcare provider. The content should not replace professional medical advice, diagnosis, or treatment. Always consult with a qualified healthcare provider before making changes to your treatment plan or starting new therapies.

Discover how Rejuvenate can transform your health and well-being.

Discover how Rejuvenate can transform your health and well-being.

Discover how Rejuvenate can transform your health and well-being.