There is a condition called Small Intestinal Bacterial Overgrowth that fits this description.  There is even an antibiotic that is marketed toward and prescribed for the condition called Xifaxan &#x2F; rifaximin.  Neomycin (another antiobiotic) is also used to treat it.<p>This research lab is studying it and this doctor (Pimentel) has written a book about it:
<a href="http:&#x2F;&#x2F;www.cedars-sinai.edu&#x2F;Research&#x2F;Research-Labs&#x2F;Pimentel-Lab&#x2F;" rel="nofollow">http:&#x2F;&#x2F;www.cedars-sinai.edu&#x2F;Research&#x2F;Research-Labs&#x2F;Pimentel-...</a>