Fibromyalgia is a rheumatologic disorder sometimes called fibrositis. It is a common cause of chronic pain in the muscles, tendons, and ligaments. The cause of fibromyalgia is unknown. It is six times ...

Fibromyalgia causes chronic pain affecting the muscles and joints throughout the body. Some doctors believe it can come from localized MFP, then later become widespread fibromyalgia.

Everyone who has fibromyalgia experiences it differently, which is one reason misunderstandings and myths often surround this condition.

You might associate autoimmune conditions with symptoms like skin disease, chronic pain, and fatigue. A less-discussed ...

For years, people with the widespread pain disorder fibromyalgia were told their symptoms were all in their heads, but now the illness is being taken much more seriously with good reason. Folks ...

WebMD investigates possible causes of joint pain and how to treat it, both at home and with medications under a doctor’s supervision.

Chronic pain syndrome occurs when the cause of the pain, for example, an injury, illness, or infection, has been healed for 3 months, yet pain is still present. Learn more.

The pain occurs when someone puts pressure on the affected areas. Doctors do not fully understand what causes fibromyalgia.

It is not known precisely what causes fibromyalgia (FM). Most commonly, it is believed to be related to changes in how the central nervous system processes pain messages, possibly due to abnormal ...