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.
Be sure to discuss with your doctor about the subject of adrenal insufficiency. You will need to have a plan when taking 5mg of prednisone or below 5mg incase you get sick.