I had a stomach infection before it was very mild i was told,cant remember but it was in the intestine, cleared up fast before gastric bypass surgery was prescribed trimethoprim >>>> Can trimethoprim/sulfamethoxazole 160 treat candida in the gut ? Been doing research and have all the symptoms of candida its always irritated right before my menstrual i get itchy in vagina area n eczema starts acting up,hives when scratch my face, and my outer vagina is irritated. Monistat helps outter what can i do for the internal...Had gynecologist check up and always negative for the norm std's etc..Should doc check me for candida. My doctors appointment is 2weeks away..this is not the full month just before and right after my period i get maybe 2weeks where symptoms are low and not bothersome..please help its affecting sex life with husband. Just curious. Getting scared .Married 15 yrs same partner. Oh and also 2011 had essure procedure done.