Lots of things: Please see your doctor about this right away. The possibilities include some form of chronic disease be it intestinal, thyroid, cancer, depression, etc. The list is very lengthy and you need an evaluation.
Answered 9/4/2012
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A doctor has provided 1 answer
A doctor has provided 1 answer
3 doctors weighed in across 2 answers
A doctor has provided 1 answer
3 doctors weighed in across 2 answers
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