What Is Fibromyalgia?
Fibromyalgia is a chronic condition characterised by widespread musculoskeletal pain, fatigue, sleep problems and cognitive difficulties ('fibro fog'). It is thought to involve abnormal pain processing in the central nervous system — the pain amplification system is turned up too high.
Symptoms
- Widespread pain — affecting both sides of the body, above and below the waist
- Fatigue — even after adequate sleep
- Non-restorative sleep
- Cognitive difficulties (memory, concentration — 'fibro fog')
- Heightened sensitivity to pressure, temperature and noise
- Headaches, irritable bowel, restless legs
Blood Tests — Ruling Out Other Conditions
| Test | What It Rules Out |
|---|---|
| Full Blood Count | Anaemia, infection |
| TSH | Hypothyroidism — mimics fibromyalgia closely |
| CRP & ESR | Low in fibromyalgia; elevated suggests inflammatory arthritis or lupus |
| ANA + Rheumatoid Factor | Lupus, rheumatoid arthritis |
| Vitamin D & B12 | Deficiency causes fatigue and muscle pain |
| Calcium | Hyperparathyroidism can cause similar symptoms |
| Glucose | Diabetes-related neuropathy |
Fibromyalgia Blood Tests Are Typically Normal
There is no blood test that diagnoses fibromyalgia — it is diagnosed clinically based on symptoms. Blood tests are ordered to rule out conditions that can be mistaken for fibromyalgia, especially hypothyroidism and inflammatory arthritis.
Management
- Regular aerobic exercise — the single most effective treatment
- Cognitive behavioural therapy (CBT)
- Sleep hygiene and treatment of sleep disorders
- Medications: duloxetine, pregabalin, amitriptyline
- Multidisciplinary pain programmes
FAQs
Is fibromyalgia a real condition?
Yes — it is a recognised medical diagnosis. MRI and other research shows measurable differences in pain processing in the brains of people with fibromyalgia.
Is fibromyalgia related to autoimmune disease?
It is not itself autoimmune — there is no tissue inflammation or damage. However, it commonly co-exists with autoimmune conditions like lupus and rheumatoid arthritis.
Will fibromyalgia get worse over time?
For most people, symptoms fluctuate but fibromyalgia is not progressive — it does not cause organ damage. With good management, many people improve significantly.
Medical Disclaimer: A fibromyalgia diagnosis should only be made after other causes of pain have been appropriately excluded by a doctor.