Many things: Diarrhea x 3weeks could be caused by a number of things: a gut infection, bacterial or parasitic. An inflammatory condition, or chronic irritation due to severe stress and food allergies if his diet has changed dramatically, or a reaction to a new medication or supplement. He needs blood tests and stool tests and possibly some imaging studies. . Please see your doctor.
Answered 3/8/2013
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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