Hello there...i understand your concern...try eating several small meals instead of three large ones whenever you can...Avoid foods that irritate your stomach, especially those that are spicy, acidic, fried or fatty... avoid coffee,tea etc... Avoid stress,consider calming activities, such as meditation, yoga etc...sleep with head raised position and have dinner at least 2 hours before sleep..do regular exercises...take pantaprazole 40 mg twice daily before food with above....consult physician if symptoms persists.

Hello kindly get upper GI endoscopy,ultrasound abdomen done consult gastroenterologist and decide bye

Pain after consumption of food could be because if Gastritis / Gastric ulcers / infection. Consult a physician for confirmation of your diagnosis and further treatment.