A member asked:

My blood work shows creatinine level quite low-.39. since sept, extremely weak in my muscles/fatigue easily/must rest often. what would cause this?

4 doctors weighed in across 2 answers

Many things: can cause your symptoms. However, a thorough evaluation of your thyroid levels, blood count, and current medical conditions could help sort things out. Follow up with your physician.

Answered 9/13/2015

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Dr. Stephen Southard answered

Specializes in Internal Medicine

Many things: The low creatinine suggests that you have low muscle mass. It isn't clear if this is based on your being small or due to a concerning problem. Many things can cause this like a primary muscle problem, metabolic issues, hormonal issues, nutritional deficiency and low grade infections. You will be best served by reviewing your issues with a physician to better create a course of action.

Answered 6/5/2015

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