Hi. Your symptoms could be related to gastritis / gall bladder infection/ stones. A full thorough history including onset , duration, aggravating and relieving factors, associated symptoms like vomiting, fever, palpitations, breathing difficulty etc would be useful.
Next Steps
usg abdomen, Chest Xray and ECG
Health Tips
avoid spicy food, avoid high fatty foods.
Can add sucralfate O syp 10 ml tds and see if it helps. avoid prolonged fasting, do not lie down immediately after food intake, atleast 2 hrs upright position after food intake.