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Fibromyalgia is a syndrome—a set of symptoms that occur together. Experts have ideas about what may cause it, but there is not enough evidence to support any one idea. Some ideas include:
Many people connect the beginning of their symptoms to a certain event, such as the flu, an injury or surgery, or emotional trauma and stress.1 An event of this type combined with other things, such as increased sensitivity to pain and sleep problems, may lead to fibromyalgia in some people.
The symptoms of fibromyalgia vary from person to person. Symptoms can last from days to months or years.
The most common symptoms are:
Other symptoms that can occur along with pain include:
People with fibromyalgia have times when their symptoms get worse and other times when they have milder or no symptoms. Flare-ups of fatigue and muscle and joint aches are common, especially following physical or emotional stress. Many people with fibromyalgia say that cold or damp weather, poor sleep, fatigue, stress, or being too active makes their pain worse.
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