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    mrstapleton posted:
    My 20yr old son overdosed in 10/2011 and was on life support for 5 days. At that time, his cpk levels were 80,000(dx w/rhabdomyolysis) and dropped upon release to 8,000. However, his cpk levels have never returned to normal. His levels are now around 4300 and he is in constant pain and can not lift over 30#'s on his left side. The left side of his body seems to be affected the most. The neurologist has shown concern regarding renal and heart failure. I am concerned about how serious and the prognosis if the levels remain the same. The neurologist has not discussed things in depth for him other than just weekly office visits. How serious is the risk of heart and kidney failure if levels remain at 4300? The doctor has not mentioned any concerns with his physical activities or limitations. My son currently works in landscaping and worried that we are causing more damage and that it will result in an emergency situation. Looking to be proactive and understand the extent of concern with these chronic cpk levels. Please.....any advice will help educate myself to have a better understanding.
    Olivia_WebMD_Staff responded:
    Hi mrstapleton!

    I wish I could help with specific information, but since everyone's medical history is different we can only provide general information.

    Here is a reference piece on Cardiac Enzyme Studies that gives a good rundown on CPK levels and what they mean. I hope it will be helpful to you as you talk to your son's doctor about his prognosis.

    Let us know how he's doing.

    Take care,

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