Hi welcome to the health care magic Here following can be the possibility that should be ruled out ... -acute cholecystitis -acute gastritis -peptic ulcer -pancreas involvement etc... For that first CBC and USG like investigation done for rule out any organic cause if present For gastritis and peptic ulcer take pantoprazole tablet for two week.... According to cause specific treatment given Avoid stress, excess tea, coffee, smoking like gastric irritants... Cooked oatmeal help in soothing stomach Take care Consult physician for examination with keeping all this in mind....