Hello dear I understand your concern Your symptoms could be due to chronic indigestion, celiac disease irritable bowel syndrome and chronic giardiasis. For exact diagnosis consult the doctor and undergo following tests: Blood: CBC, ESR, usg scan, barium meal study, amylase, LFT, Upper endoscopy and colonoscopy if needed Stool routine and microscopic examination Following are advice: Dietary changes: Take diet rich in carbohydrate Avoid spicy and fatty foods, Avoid cold beverages Take small frequent meals rather than large meal Walk for some time after meal Fiber supplements like senna Tablet diezene Probiotics orally Take phyzyme and Gas-X preparation Take more warm water in drinking Hope this may help you Contact HCM for further health query Best regards Dr. Sagar