Hello This Is Hina From Pakistan Actually M Worry Because

hello this is hina from Pakistan actually m worry because of my husband actually he has facing diarrhea sinch more than a month he is 34 years old and he has stomach problem and because of this he feels pain in teeths and this pain becomes one sided headache he feels badly sensir in his teeths... dr tested his helicobecterpylori report and he said report is ok there is no bacteria.. I just want to ask u the reason of diarrhea which is not stopping... if u are getting what I am trying to say and u got my problem tjen please please help me amd reply me