Either get together with a functional doctor or a GI doctor (preferably who is also open to functional medicine). The standard treatment for small intestinal bacterial overgrowth is either herbal antimicrobials, or a regimen of specific antibiotics. Xifaxan / rifaximin is usually the antibiotic of choice. It is not absorbed by the small and large intestine, so it does not go systemic. I have no large intestine, and have an illiostomy, so I’m prone to SIBO recurring every once in a while. Luckily the evidence shows that bacteria in the small intestine do not develop resistance to xifaxan so it’s something you can use as needed. It is very expensive however even with insurance in the United States, so what I do is get a prescription for my doctor and buy from an online Canadian pharmacy, for way cheaper. Functional medicine doctors will use either antibiotics or the herbal antimicrobials. Herbals take longer but have other benefits that antibiotics don’t. Again you’re going to want to get together with a open-minded practitioner. Make sure you also figure out why the small intestinal bacterial overgrowth occurred to begin with, because if you don’t address what caused it it will most likely reoccur.
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