Hi., I can understand your concern.
It can be due AGE.
Take tab emeset 4mg twice a day before food for 3 days.
Tab gelusil 3 times a day after food for 5 days
Tab bifilac before food 3 times a day for 5 days.
Next Steps
consult a gastroenterologist if issue persist
Health Tips
avoid oily spicy processed and outside food items
regular exercise and walking