Polymyositis & Dermatomyositis Support Group
Polymyositis (PM) is a type of chronic inflammation of the muscles (inflammatory myopathy) related to dermatomyositis and inclusion body myositis. The inflammation is predominantly of the endomysium in polymyositis, whereas dermatomyositis is characterized by primarily perimysial inflammation.
I hope your doctor will give you some clarity on the cause of your pains. I agree with Autumn that getting used to meds does help. If I am on the wrong dosages of my meds then I will not feel well.