Many causes: From your english, i'm concerned that you may be in country where public health standards are not always ideal? If this is correct, you should consider the possibility of a parasitic infection such as amebiasis or tapeworms. In the usa, malabsorbtion would be more likely, e.g. Celiac disease or lactose intolerance to name a couple.
Answered 7/18/2013
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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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