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'm sorry you have high blood sugar. That is one of the side effects of steriods.
If you are over weight, then losing the weight will bring your blood sugars down considerably. Good Luck. Keep us posted.