How Rheumatologists Confirm Fibromyalgia When Blood Tests and Scans Look Normal

The folder is thick by the time it reaches the rheumatology desk. Two sets of blood work, a thyroid panel, an X-ray of the lower back, an MRI of the neck. Every page carries the same reassurance, “within normal limits,” and every page feels like a small insult to the person who has not slept properly in a year and hurts from scalp to ankles.

That gap, between what the labs say and what the body says, is the territory a rheumatologist works in. Understanding how fibromyalgia is diagnosed by rheumatologist assessment helps explain why a clean set of results is not the end of the road; it is the start of a different kind of examination.

What follows is what actually happens in that consultation, which tests are ordered and why, which conditions are deliberately ruled out first, and what the published criteria require before anyone writes the word fibromyalgia in a chart.

Why normal blood tests do not mean nothing is wrong

Fibromyalgia is not a disease of the joints, the muscles or the bloodstream, which is exactly why those tests come back clean. Current evidence describes it as a disorder of pain processing: the brain and spinal cord amplify signals that would otherwise register as mild or not at all. Researchers call this central sensitization, a plain way of saying the nervous system’s volume dial is stuck too high (Mayo Clinic, NIH).

A blood test measures inflammation, hormones, antibodies and cell counts. An MRI shows structure. Neither can see how a nerve signal is being interpreted once it reaches the central nervous system. So a normal erythrocyte sedimentation rate, a normal thyroid panel and a tidy spinal scan are not false reassurance; they are genuinely telling the clinician that inflammatory arthritis, thyroid disease and structural spine disease are unlikely explanations.

That matters, because fibromyalgia is partly a diagnosis of exclusion. The NHS is explicit that there is no specific test and that other conditions must be ruled out first (NHS). A rheumatologist reads a normal result as one more piece of the puzzle placed, not as a dead end.

Think of it like a smoke alarm that keeps going off when the toast is barely brown. An electrician can confirm there is no fire and the wiring is sound. The problem is the sensitivity of the alarm itself, and that is a real, documented problem, even if it never shows up on the building inspection report. Pain that is amplified rather than invented is still pain, and the physiology behind it is measurable in research settings even when routine clinical tests are silent.

How fibromyalgia is diagnosed by a rheumatologist, step by step

Most rheumatology consultations for suspected fibromyalgia follow a recognizable arc, and the longest part is talking, not testing.

The history comes first. Expect to be asked where the pain is, when it started, whether it moves, what makes it better or worse, and whether it is stiffness, aching, burning or a deep bruise-like soreness. The rheumatologist will want to know about sleep, specifically whether you wake feeling unrefreshed; about fatigue that is not explained by activity; about memory and concentration difficulties often described as “fibro fog”; and about headaches, bowel symptoms, bladder symptoms and mood (Mayo Clinic; Cleveland Clinic).

Next comes a review of what has already been done. A referral letter with results attached saves repeating tests and lets the specialist spot gaps, such as a missing vitamin D level or an inflammatory marker that was never checked.

The physical examination follows, described in detail in the next section. Its purpose is as much to find signs of other diseases as to find signs of fibromyalgia.

Then the rheumatologist applies formal diagnostic criteria, which weigh how many body regions hurt and how severe the accompanying symptoms are. The widely used framework asks for pain in at least four of five defined regions, present at a similar level for at least three months, with no other condition that would otherwise explain it (Mayo Clinic).

Finally, a shared conversation. A good consultation ends with an explanation of what the diagnosis means, what it does not mean, and what the next steps are. Some clinicians give a working diagnosis on the day; others ask for a short period of monitoring or further tests before confirming. Either approach is within normal practice, and the decision rests with the treating team.

What the physical examination actually looks for

People often expect a fibromyalgia exam to be a brief press on a few sore spots. In practice, it is a head-to-toe search for anything that points away from fibromyalgia.

The rheumatologist will inspect and move your joints, looking for swelling, warmth, redness or restricted range of motion. Swollen, boggy joints suggest inflammatory arthritis, which fibromyalgia does not cause. They will look at your skin and nails for rashes, psoriasis plaques or nail pitting, because psoriatic arthritis and lupus can present with widespread pain. Muscle strength is tested, since true weakness, as opposed to pain-limited effort, raises the possibility of a muscle or nerve disease. Reflexes and sensation may be checked for the same reason.

Tender points still come up, although their role has changed. Earlier criteria from the American College of Rheumatology required tenderness at 11 of 18 specific sites when pressed; newer criteria no longer require a tender point count, partly because tenderness varies from day to day and partly because the symptom-based approach captures fatigue and cognitive symptoms that the older exam ignored (Mayo Clinic). Many rheumatologists still press those classic sites, around the neck, shoulders, chest, elbows, hips and knees, because a diffuse pattern of tenderness in soft tissue, with no joint swelling, is characteristic.

The thyroid gland in the neck may be palpated. Lymph nodes may be checked. The spine is examined for localized tenderness or nerve-root signs.

None of this hurts for long, but it can leave you sore afterward if your pain threshold is low, which is itself a small clinical clue. Mention it. The pattern of what hurts, how much and for how long after light pressure is information the rheumatologist is actively gathering.

Is there a test that confirms fibromyalgia?

No. There is no blood test, scan, biopsy or scoring instrument that confirms fibromyalgia on its own, and any clinic that tells you otherwise is ahead of the evidence. The NHS states plainly that there is no specific test and that the diagnosis is made on symptoms after other conditions are excluded (NHS). Mayo Clinic and the NIH say the same (Mayo Clinic; NIH).

That does not mean the diagnosis is a guess. It means it belongs to the same family as migraine, irritable bowel syndrome and tension headache: conditions defined by a reproducible pattern of symptoms assessed against published criteria, backed by exclusion of mimics. Clinicians make confident diagnoses in this family every day.

What about the research tools you may have read about? Functional MRI studies show altered pain-processing activity in people with fibromyalgia, small-fiber nerve testing has found abnormalities in a subset, and several groups have explored blood-based biomarkers. These findings support the biological reality of the condition, but none is validated for routine diagnosis, none is recommended in mainstream guidelines, and a rheumatologist will not order them to confirm a case. If a commercial test is offered to you with a promise of certainty, the honest position is that its accuracy in everyday clinical practice has not been established.

So the tests a rheumatologist orders are there to rule out, not rule in. A normal panel narrows the field. Combined with the right symptom pattern and the right duration, it supports the diagnosis rather than undermining it. The absence of a single confirmatory test is a limitation of medicine, not evidence that the pain is imagined.

Fibromyalgia diagnosis criteria explained: the WPI and symptom severity scale

Two short questionnaires do much of the structured work. The widespread pain index, or WPI, counts how many of 19 defined body areas have hurt in the past week. The symptom severity scale, or SSS, rates fatigue, unrefreshing sleep and cognitive difficulty, plus the presence of headache, abdominal pain and depression. Together they form the criteria developed by the American College of Rheumatology and refined over the past decade; mainstream patient resources describe the core requirement as pain in at least four of five regions for at least three months (Mayo Clinic; Cleveland Clinic).

Element	What it measures	Why it matters
Widespread pain index (WPI)	Number of painful areas out of 19 in the past week	Captures how widespread the pain is, not how intense
Symptom severity scale (SSS)	Fatigue, waking unrefreshed, cognitive symptoms, plus other somatic symptoms	Fibromyalgia is more than pain; these symptoms are central
Generalized pain	Pain in at least 4 of 5 body regions	Distinguishes it from regional pain such as a shoulder or back problem
Duration	Symptoms at a similar level for at least 3 months	Excludes short-lived pain after illness, injury or stress
Exclusion	No other disorder that fully explains the pain	Why blood tests and examination come first

The thresholds combine in two ways: a high WPI with a moderate SSS, or a moderate WPI with a high SSS. The point is to allow for people whose pain is somewhat less widespread but whose fatigue and sleep disruption are severe. Your rheumatologist may also use a combined score sometimes called the fibromyalgia severity score to track change over time.

One important update: the current criteria state that a diagnosis of fibromyalgia does not exclude the presence of other illnesses. Someone with rheumatoid arthritis can also have fibromyalgia, and roughly a fifth of people with inflammatory rheumatic diseases are thought to meet criteria. The rheumatologist’s job is to decide how much of the picture each condition explains.

Which blood tests and scans are ordered, and why

Every test on the list is there to answer a specific question of the form “could this be something else?” Mayo Clinic notes that blood tests cannot diagnose fibromyalgia but are used to rule out conditions with similar symptoms (Mayo Clinic). A typical workup includes several of the following:

• Full blood count, to look for anemia or signs of infection or blood disorders.
• Erythrocyte sedimentation rate and C-reactive protein, two markers of inflammation; both are usually normal in fibromyalgia and often raised in inflammatory arthritis or polymyalgia rheumatica.
• Thyroid function tests, because an underactive thyroid can produce fatigue, muscle aches, poor concentration and weight change that look very similar.
• Vitamin D and sometimes calcium, since deficiency can cause diffuse bone and muscle pain.
• Rheumatoid factor and anti-cyclic citrullinated peptide antibodies, which point toward rheumatoid arthritis.
• Antinuclear antibody, a screen for lupus and related connective tissue diseases, interpreted cautiously because a low-level positive result is common in healthy people.
• Creatine kinase, a muscle enzyme that rises in inflammatory muscle disease.
• Glucose or HbA1c, kidney and liver function, and in some cases a celiac screen or magnesium level.

Imaging is ordered selectively. X-rays or ultrasound of specific joints are useful if the exam suggests arthritis. MRI of the spine is reasonable if there are nerve symptoms such as numbness, weakness or bladder change. A whole-body scan “to be thorough” is not standard practice and tends to generate incidental findings that cause more worry than clarity.

If every result returns normal, that is the expected pattern in fibromyalgia, not a failure of the workup. If something returns abnormal, the rheumatologist will decide whether it fully explains the symptoms, partly explains them, or is an unrelated finding sitting alongside fibromyalgia. Those three outcomes lead to different next steps, which is why the results are interpreted in the room rather than mailed as a verdict.

What is commonly mistaken for fibromyalgia?

Misdiagnosis runs in both directions. People with fibromyalgia are sometimes told for years that they have a bad back or chronic fatigue; people with other conditions are sometimes labeled with fibromyalgia before the real cause declares itself. The rheumatologist’s differential list is long, and a few entries deserve a closer look.

Hypothyroidism is the classic mimic. Fatigue, cold intolerance, muscle aches, low mood and brain fog overlap almost completely, and a simple thyroid test separates the two.

Early inflammatory arthritis, particularly rheumatoid arthritis and psoriatic arthritis, can begin with diffuse aching and stiffness before any joint visibly swells. Morning stiffness lasting over an hour and inflammatory markers that creep up over time are the tells.

Polymyalgia rheumatica, an inflammatory condition mostly affecting people over 50, causes severe shoulder and hip girdle stiffness with a raised sedimentation rate; it responds in a distinctive way to treatment and is a diagnosis no one wants to miss.

Lupus and Sjögren’s disease produce fatigue and widespread pain alongside features such as rashes, dry eyes and mouth, mouth ulcers or kidney involvement. Antibody tests and examination usually point the way.

Sleep apnea deserves special mention. Chronic unrefreshing sleep from untreated apnea can produce a fibromyalgia-like picture, and a sleep study, not a rheumatologist, settles it.

Vitamin D deficiency, some medicines used for cholesterol that cause muscle symptoms, depression with somatic features, myalgic encephalomyelitis / chronic fatigue syndrome, and small-fiber neuropathy round out the common list (Cleveland Clinic; Johns Hopkins). Several of these can coexist with fibromyalgia, which is why the specialist’s question is rarely “which one?” and more often “how much of this does each explain?”

Fibromyalgia vs rheumatoid arthritis: which is more serious?

The honest answer is that they are serious in different ways, and comparing them as if on one scale misleads people.

Rheumatoid arthritis is an autoimmune disease. The immune system attacks the lining of joints, causing inflammation that, left untreated, erodes cartilage and bone, deforms joints and can affect the lungs, heart, eyes and blood vessels. It is progressive and can shorten life expectancy if poorly controlled, which is why rheumatologists treat it early and aggressively with disease-modifying medicines. Blood tests often show raised inflammatory markers and specific antibodies, and imaging can show damage over time.

Fibromyalgia does not damage joints, does not cause inflammation that destroys tissue, and does not shorten life expectancy. Mayo Clinic and the NIH describe it as chronic and often lifelong but not progressive in the sense of structural harm (Mayo Clinic; NIH). On that measure, rheumatoid arthritis is the more medically dangerous condition.

Measured by daily impact, the picture is less clear. Fibromyalgia can be profoundly disabling: unrelenting pain, sleep that never restores, cognitive fog that makes work difficult, and the exhausting experience of being disbelieved. Quality-of-life scores in fibromyalgia studies are frequently as low as or lower than those in well-controlled rheumatoid arthritis.

The two also overlap. A meaningful proportion of people with rheumatoid arthritis also meet fibromyalgia criteria, and in those patients pain can persist even when inflammation is fully suppressed. Recognizing that overlap prevents a common error: escalating anti-inflammatory treatment for pain that is not inflammatory.

So when someone asks which is worse, the useful reframe is: which one is causing your symptoms right now, and are both present? That is precisely what the rheumatology workup is designed to answer.

Who is usually diagnosed, and who is asked to wait

Fibromyalgia can affect anyone, but it is diagnosed most often in adults between their 30s and 50s, and more frequently in women than in men; the NIH estimates it affects around 2% of adults in the United States (NIH; NHS). It is more common in people who already have another rheumatic disease, in those with a history of significant physical or emotional stress, and in families where a relative has it, which suggests a genetic component to pain sensitivity (Mayo Clinic).

A rheumatologist is likely to confirm the diagnosis at the first or second visit when the picture is classic: pain in most body regions for well over three months, unrefreshing sleep, fatigue, cognitive symptoms, a normal inflammatory panel, no joint swelling and no neurological signs.

Some people are asked to wait, and it helps to know why.

• Symptoms under three months. The criteria require persistence; pain after a viral illness or a stressful period often settles on its own.
• Borderline or unexplained test results. A mildly raised inflammatory marker or a low-positive antibody may warrant a repeat test in a few weeks before any label is applied.
• Features that need their own workup first: morning stiffness over an hour, visible joint swelling, rashes, unexplained weight loss, fever, or weakness.
• Suspected sleep apnea or untreated thyroid disease, because treating those may change the picture entirely.

Being asked to keep a symptom diary for a period is not a brush-off. It gives the specialist a time-stamped record of pain distribution and sleep that is far more reliable than memory at a single appointment. Waiting for a careful diagnosis is better than carrying a wrong one, and the final call always sits with the treating team.

What is the number one symptom of fibromyalgia?

Widespread pain is the defining symptom, and it is widespread in a specific way: both sides of the body, above and below the waist, and usually including the spine or chest. People describe it as a constant dull ache, sometimes with burning, tingling or a sense that the skin itself is sore. It tends to move, flaring in the shoulders one week and the hips the next, which is one reason regional investigations like a shoulder X-ray so often come back clean (Mayo Clinic; NHS).

Two features of that pain carry diagnostic weight. The first is allodynia, pain from a stimulus that should not hurt, such as a firm handshake or the pressure of a seat belt. The second is hyperalgesia, an exaggerated response to something that would normally be mildly uncomfortable. Both reflect the central sensitization described earlier.

Pain rarely travels alone. Rheumatologists weigh three companions almost as heavily:

• Fatigue that is out of proportion to activity and not relieved by rest.
• Unrefreshing sleep, often waking as tired as at bedtime even after a full night.
• Cognitive difficulty with attention, word-finding and short-term memory.

Other common companions include tension-type headaches, irritable bowel symptoms, bladder urgency, jaw pain, numbness or tingling without nerve damage, heightened sensitivity to noise, light or temperature, and low mood or anxiety, which can be both a consequence of chronic pain and a factor that amplifies it (Cleveland Clinic).

This is not a checklist for self-diagnosis; each of these symptoms has many other causes. It is, however, the constellation a rheumatologist is looking for. Pain alone, however severe, does not meet criteria. Pain plus the cluster, lasting months, with mimics excluded, does.

What the weeks after a rheumatology referral usually look like

The pathway varies by health system, but a typical sequence runs like this.

Before the appointment, your primary care clinician usually orders the first round of blood tests so results are ready. Gathering old records, writing down when symptoms began and listing every medicine and supplement you take will make the visit far more productive.

At the first consultation, expect the history, examination and criteria assessment described above. If results are complete and the pattern is clear, a working diagnosis is often given the same day. If gaps remain, further tests are ordered and a follow-up booked, commonly within a few weeks to allow repeat bloods or a sleep study to be completed.

Once the diagnosis is confirmed, the emphasis shifts from testing to management. Mainstream guidance consistently puts non-drug approaches first: graded aerobic exercise, sleep habits, pacing of activity, and cognitive behavioral approaches that target the way the nervous system processes pain (NHS; Mayo Clinic). Many rheumatologists hand much of this back to primary care, physiotherapy and pain services rather than seeing you repeatedly themselves, which can feel like being discharged but usually reflects that the diagnostic job is done.

Where medicines are considered, they generally belong to classes that act on nerve signaling rather than inflammation, such as certain antidepressants used for pain and certain anti-seizure medicines. They typically take several weeks to show any effect, benefits are modest on average, and the choice, timing and any changes belong entirely to your prescribing clinician (Mayo Clinic). Ordinary anti-inflammatory painkillers and opioids are not recommended for fibromyalgia in major guidance because the pain is not inflammatory.

Symptoms fluctuate. Flares after illness, poor sleep or stress are expected and do not mean the diagnosis was wrong.

What people often get wrong about a fibromyalgia diagnosis

“Normal tests mean they think it’s in my head.” Normal tests are the expected finding in fibromyalgia. Research using brain imaging shows measurably altered pain processing; the condition is real, and the tests are simply measuring the wrong thing (NIH).

“Fibromyalgia is what doctors say when they can’t find anything.” It is a diagnosis with published criteria, a required duration, a required symptom cluster and a required exclusion process. A rheumatologist applying those criteria is doing something specific, not shrugging.

“The tender point exam is the test.” The 18-point exam was part of criteria from 1990 and is no longer required. Current criteria are symptom-based (Mayo Clinic).

“Once I have fibromyalgia, nothing else will be looked for.” The opposite should be true. New symptoms, especially joint swelling, weight loss, fever or weakness, always warrant fresh assessment, because fibromyalgia does not protect anyone from developing a second condition.

“It will get worse and destroy my joints.” Fibromyalgia is not degenerative and does not damage joints or organs. Symptoms wax and wane rather than progress (Cleveland Clinic).

“It only affects women.” It is diagnosed more often in women but affects men too, and men may be underdiagnosed because the condition is assumed to be female (NHS).

“A specialist blood test online can confirm it.” No marketed test is validated or recommended in mainstream guidance for diagnosing fibromyalgia.

“If I have it, I can’t have rheumatoid arthritis or lupus too.” Coexistence is common, and the current criteria explicitly allow a fibromyalgia diagnosis alongside other illnesses. Untangling which condition drives which symptom is a core rheumatology skill.

Questions to ask your care team

A rheumatology appointment moves quickly. Having a short list ready keeps the conversation focused on what you need to know rather than what you remember to ask on the way out.

• Which conditions have you ruled out, and which tests did that? Ask for a copy of the results for your own records.
• Do I meet the formal criteria for fibromyalgia, and which parts of my history and exam support that?
• Is there anything in my results that is borderline and needs repeating, and when?
• Could I have more than one condition? If I also have arthritis or thyroid disease, how will you tell which is causing which symptom?
• Should I be assessed for sleep apnea or another sleep disorder before we settle on this diagnosis?
• What symptoms should prompt me to come back sooner rather than wait for routine follow-up?
• Who will manage my care from here: you, my primary care clinician, a pain service or a physiotherapist?
• What non-drug approaches do you recommend first, and is there a structured program I can be referred to?
• If medicines are an option, what class would you consider, how does it work, and how long before I would know whether it helps?
• Are any of my current medicines or supplements likely to be making my pain, sleep or fatigue worse?
• How will we measure whether things are improving? Is there a questionnaire I should complete at intervals?
• Is there any reason to think my symptoms might settle over time, and what would that depend on?

You are entitled to clear answers in plain language. If an answer is “we don’t know yet,” that is an honest and acceptable answer in this condition, and it is worth asking what would move the uncertainty forward.

When to call your doctor: red-flag signs that are not fibromyalgia

Fibromyalgia itself is not dangerous, but it can sit alongside conditions that are, and its diffuse symptoms can mask them. Contact your doctor promptly, or seek urgent care, if you notice any of the following, whether or not you already carry a fibromyalgia diagnosis.

• A joint that becomes visibly swollen, hot or red, especially if you also have a fever.
• Unexplained weight loss, drenching night sweats or a persistent fever.
• True muscle weakness, such as difficulty rising from a chair, climbing stairs or lifting your arms, as opposed to pain that limits effort.
• Numbness, tingling or weakness in a clear pattern down an arm or leg, or new loss of bladder or bowel control; the last of these is an emergency.
• Severe headache unlike your usual headaches, especially with jaw pain when chewing, scalp tenderness or visual change in someone over 50.
• New rash, mouth ulcers, chest pain, breathlessness or swelling of the legs.
• Pain concentrated in one area that is steadily worsening rather than shifting, or pain that wakes you consistently at night.
• Thoughts of self-harm, or low mood that is making daily life unmanageable; chronic pain and depression often travel together and both deserve treatment.

These signs do not mean your diagnosis was wrong. They mean something may have changed, or something may have been present in the background all along, and it deserves its own assessment. Rheumatologists expect this. A diagnosis of fibromyalgia is a working explanation for a particular pattern of symptoms, not a lifetime instruction to ignore new ones (Mayo Clinic; NHS). Any decision about further testing, referral or treatment belongs with your treating team, who know your history and results in full.

Frequently asked questions

Is there a test that confirms fibromyalgia?

No single test confirms fibromyalgia. Rheumatologists diagnose it from the pattern of widespread pain, fatigue, sleep and cognitive symptoms lasting at least three months, after blood tests and examination have ruled out conditions that mimic it. Research tools such as functional MRI show real changes in pain processing, but none is validated for routine diagnosis, and no commercial blood test is recommended in mainstream guidance.

What is the number one symptom of fibromyalgia?

Widespread pain on both sides of the body, above and below the waist, is the defining symptom. It is usually a constant dull ache that shifts location and is accompanied by heightened sensitivity to pressure. Rheumatologists weigh fatigue, unrefreshing sleep and difficulty concentrating almost as heavily, because pain alone does not meet the diagnostic criteria.

What is commonly mistaken for fibromyalgia?

Hypothyroidism is the most frequent mimic, followed by early rheumatoid or psoriatic arthritis, polymyalgia rheumatica, lupus, Sjögren’s disease, vitamin D deficiency, untreated sleep apnea, depression with physical symptoms and small-fiber neuropathy. Several of these can coexist with fibromyalgia, which is why the specialist asks how much of the picture each condition explains rather than simply choosing one.

Which is more serious, fibromyalgia or rheumatoid arthritis?

Rheumatoid arthritis is the more medically dangerous condition because it is autoimmune, destroys joint tissue and can affect organs if untreated. Fibromyalgia does not damage joints or shorten life, but its day-to-day impact on sleep, function and mood can be as severe. Many people have both, and pain can persist in rheumatoid arthritis even after inflammation is controlled.

What does a rheumatologist do for fibromyalgia?

A rheumatologist takes a detailed symptom history, examines joints, muscles, skin and nerves, reviews or orders tests to exclude other diseases, and applies formal diagnostic criteria. Once the diagnosis is confirmed, they typically outline a management plan built on exercise, sleep and pacing strategies and may discuss medicine classes, often handing ongoing care back to primary care or a pain service.

How long do symptoms need to last before fibromyalgia can be diagnosed?

Current criteria require symptoms to have been present at a similar level for at least three months, according to Mayo Clinic and NHS guidance. Shorter episodes of widespread pain, for example after a viral illness or a period of intense stress, often settle on their own, so a rheumatologist may ask you to keep a symptom diary and return before confirming the diagnosis.

What are the fibromyalgia diagnosis criteria used today?

Rheumatologists use criteria from the American College of Rheumatology based on two measures: the widespread pain index, which counts painful areas out of 19, and the symptom severity scale, which rates fatigue, unrefreshing sleep and cognitive symptoms. Generalized pain in at least four of five regions for at least three months is required, and other illnesses may coexist without excluding the diagnosis.

Do rheumatologists still check the 18 tender points?

Some still press the classic sites as part of the examination, but the tender point count is no longer required. It was central to the 1990 criteria, which needed tenderness at 11 of 18 points; newer symptom-based criteria replaced it because tenderness varies day to day and the older method ignored fatigue, sleep and cognitive symptoms.

Can I have fibromyalgia and another autoimmune disease at the same time?

Yes. Current diagnostic criteria explicitly state that fibromyalgia does not exclude other illnesses, and it is more common in people who already have rheumatoid arthritis, lupus or similar conditions. In those cases, the rheumatologist works out which symptoms are inflammatory and which reflect amplified pain processing, because the two are treated differently.

Why did my doctor order an MRI if fibromyalgia does not show on scans?

Imaging is ordered to rule things out, not to find fibromyalgia. An MRI of the spine is reasonable when there are nerve symptoms such as numbness, weakness or bladder changes, and joint X-rays or ultrasound help if the examination suggests arthritis. A normal result narrows the list of alternative explanations and supports, rather than contradicts, a fibromyalgia diagnosis.

References

• NHS: Fibromyalgia – Diagnosis
• Cleveland Clinic: Fibromyalgia
• NIH NIAMS: Fibromyalgia
• MedlinePlus: Fibromyalgia

This article is for general information only and is not a substitute for professional medical advice. Please consult a qualified doctor about your individual situation.