My ck level is 5 times its normal level, should i be worried? i am 44 years old and type one diabetic since 5 years old. i am on an insulin pump since the past two years. during the past 4 months i feel pain and stiffnes in both my arms.i went to my gp an

You : You don t seem to have any sympotoms that might suggest you have a muscular or rheumatic disease, and the high ck might be related to something else . What other medications are you takind , trauma ? No tissue damage anywere else , at the site of the pump in order do do a bx is usefull to have an area of mucle weakness or an abnormal MRI that shows inflammation of tghe muscle

Myositis: You have myositis. A rheumatologist is the specialist who deals with these issues. You need to see one.