Hello Wel come to health care magic Dear patients son, gas trouble can be due to many reasons like acid peptic disease, intestinal infection like amoebiasis and giardiasis, gall bladder stones or infection, functional dis orders of gut like irritable bowel syndrome, etc , you consult a physian who will get some necessary tests done on her like LFT, STOOL for ova cyst and occult blood, USG whole abdomen in order to find out the cause . for prevention aspect she should try to avoid excessive spices,fried foods , teas, coffees, alcohol and smokingl(if applicable). Hope it will help wish you speedy recovery thanks Dr Arshad