what is a fibromyalgia?
<answer> Fibromyalgia is a long-lasting or chronic disorder that causes muscle pain and fatigue. <context> Fibromyalgia is a long-lasting or chronic disorder that causes muscle pain and fatigue (feeling tired). The symptoms of fibromyalgia are pain and tenderness throughout your body. You can treat your fibromyalgia with medicines, lifestyle changes, and complementary therapies.