Causes
The exact cause is unknown.
The following conditions are commonly associated with fibromyalgia:
- Depression and anxiety
- Muscle pain
- Chronic headache, such as tension headaches (frequently beginning with neck discomfort)
- Numbness and tingling
- Sensation of swollen hands and edema (swelling usually in the feet, ankles, and legs)
- Nocturnal myoclonus (moving legs involuntarily during sleep)
- Irritable bowel syndrome
- Complex regional pain syndrome
- Substance abuse
- Premenstrual syndrome
- Female urethral syndrome (irritable bladder)
- Raynaud's disease
Risk Factors
A risk factor is something that increases your chance of getting fibromyalgia. Risk factors include:
- Sex: female
- Age: 20-60 years old
- Physical or mental stress
- Physical trauma (eg, accident, injury, or severe illness)
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