Hi....., Avoid tight-fitting clothing. Clothes that fit tightly around your waist put pressure on your abdomen and the lower esophageal sphincter..... Avoid foods and drinks that trigger Belching...  Common triggers such as fatty or fried foods, tomato sauce, alcohol, chocolate, mint, garlic, onion, and caffeine may make belching worse. ... Eat smaller meals. Avoid overeating by eating smaller meals....Consult Physician....