Thank you for posting your query. Needs complete history and evaluation. what is your age? are you anemic? how often do you pass stool? color of stool? if your anemic or black colored stool , visit a gastroenterologist asap and undergo endoscopy? if NOT anemic and normal bowel habits, then; undergo any test for H.pylori ? do it either by stool antigen test OR by urea breath test. if test turns out to be positive , then you need eradication therapy and visit your treating physician with all the results. Meanwhile, you may take - Nexium 40mg , once daily before breakfast. -Avoid spicy food, oil rich food, - No smoking and NO alcohol. - do NOT eat mouth full. -no cold drinks and NO junk food any further queries, feel free to post @HCM Health professionals aim to diagnose properly and manage patients according to their limited knowledge. Cure is blessed by the ONE who Created us, whose power and knowledge is unlimited . wish you good health. regards, Dr Tayyab Malik