What is Polymyositis Polymyositis is an inflammatory muscle disease that causes varying degrees of decreased muscle power. The disease has a gradual onset and generally begins in the second decade of life. Polymyositis rarely affects persons under the age of 18. The most common symptom is muscle weakness, usually affecting those muscles that are closest….What is Polymyositis?
Polymyositis
Polymyositis specialist Dr. Boris Ratiner offers expert information regarding Polymyositis including Polymyositis symptoms, Polymyositis diagnosis, and common Polymyositis treatments.