Hi this is very common problem, nt to worry much, these generally we cal reflux disease otherwise gastritis Drink plenty of fluids,  avoid milk n milk products especially tea, do regular walking all these wil improve ur problems Take tab sompraz l 1-0-1 before food Tab acogut er 300mg 1-0-0 Syp aristozyme 10ml 1-0-1 for 7 days

There could be various reasons for your symptoms Gastritis Stomach infection Gall bladder stones Irritable bowel