Hello I have gastric and pain problem in stomach mostly in summer 1 hello if I eat fast food before sleep than stomach feel gastric and pain in morning and feel relax after emptying bowel 2 sometimes gastric and pain feel suddenly in day and feel frustrated and anxious during gastric 3 due to this problem I go washroom not many times only one or two times and if I do in morning and than no problem I face in day and this problem not affect me daily, it happens sometimes and suddenly 4 this problem not affect my hunger and appetite, I feel hungry on time so tell me exact problem, it is indigestion, gastric or ibs.