I would advise you to take less spicy food. Avoid non veg diet as much possible. Eat proteinaceous fibrous rich diet. Take tab Pantop-D 1 tab daily empty stomach for 2 weeks. Also start homeopathic medicine Carbo Veg 30 2 to 3 times a day daily.
Next Steps
if problem persists consult a gastroenterologist
Health Tips
if problem persists get an endoscopy/ultrasound abdomen done