HELLO, YOU MUST HAVE ON GOING MEDICINE FOR GASTRIC PROBLEM. AVOID SPICY FRIED JUNK FOOD OR FOOD FROM OUTSIDE. PLENTY OF LIQUIDS, SO IT'S A NATURAL REMEDY AS LIQUID DILUTE THE CONCENTRATION OF ACID N PROPOGATE IT TIME TO TIME. SO THAT LEAST EROSION OF GUT MUCOSA.N HENCE REDUCE GASTRIC PROBLEM. NOW DIFFICULTY IN RESPIRATION IF GASTRITIS REDUCE BREATHING PROBLEM REDUCE A BIT SO A SUPPORTING MEDICINE IS NEEDED. TABLET DERYPHYLLIN RETARDED 150 mg TWO-TIMES A DAY AFTER FOOD OR AS REQUIRED. IT IS NOT A COURSE, IF YOU FEEL BETTER, OMIT MORNING DOSE OR EVENING DOSE. I HOPE YOU UNDERSTAND. O.K, BYE.