I start belching which smells like rotten eggs then the diarrhea starts after. happening for over a year. my gp prescribes probiotics. need a solution as its getting more frequent? last 3 weeks have been constant issues. what specialist can help me?

Gstroenterologist: The specialty in medicine that focuses on diseases of the digestive tract is G.I. Or gastroenterology- a subspecialty of internal medicine. If you have chronic diarrhea and rotten egg smelling belches, giardiasis comes to mind. You may also have a sensitivity to dairy or a gluten intolerance so it’s important to keep a food diary. Your gastroenterologist will be able to help identify the cause.