What is Polymyositis

Polymyositis is one of the inflammatory myopathies, a group of muscle diseases that involves inflammation of the muscles or associated tissues, such as the blood vessels that supply the muscles. A myopathy is a muscle disease, and inflammation is response to cell damage.

Statistics on Polymyositis. Polymyositis (PM) is rare. Incidence is estimated to be somewhere between 1-8 cases per million people. Women are twice more likely to be affected than men.
Polymyositis is an inflammatory disease that causes muscle weakness and pain.There’s no cure for this ongoing (chronic) condition, but there are treatments that can help with symptoms.