Polymyositis is an autoimmune disease of muscles. Skeletal muscles show wide inflammatory and degenerative changes. Symptoms vary greatly depending on which body parts are affected. The disease usually reached a peak within a few weeks to a few months. Your muscles become very weak. If respiratory muscles are affected, you will have difficulty breathing, which is life-threatening. Therefore, early diagnosis and treatment is very important. Simple Polymyositis has a good prognosis. If polymyositis is accompanied with malignant tumors or other connective tissue diseases, the prognosis is poor.
How is Polymyositis treated in practice?