 [ Symptoms ] my skin sometimes burns from sweat where there is constant skin on skin the affected areas are my privates the very top of my legs and under my boobs it is intermittent but painful [ Disease ] going across your history it seems you are having surely ibs bacterial infection can strike any time specially if not well treated firstly so you need to be careful about where and what you eat avoid junky food caffeine and fatty foods get probiotics as yogurt an skimmed milk and fresh fruits will help