What are the effects of polymyositis?

Answer:
It causes muscles to exhibit varying degrees of decreased strength, usually affecting those muscles that are closest to the trunk of the body. Trouble with swallowing (dysphagia) may occur with polymyositis.
First answer by Gale Ency of Neuro Dis. Last edit by Gale Ency of Neuro Dis. Contributor trust: 14 [recommend contributor recommended]. Question popularity: 2 [recommend question].