Hello
I had gone through your question diligently and I will try to help you out in best possible way
Looking at your description this could be due to
Acid peptic disease or food poisoning or
Aerophagia ( swallowing of air)
Apart from drugs
Acid reflux can be manged with certain dietary and life style modifications like
Avoid fatty fried spicy and junk food or carbonated drinks
Have lots of fresh fruits and vegetables
You can take curd, cold milk or fruit juices
You should not stay hungry, have something to eat at frequent intervals because hunger increase acid production
You can take
liquid paraffin or
lactulose for bowel movement
Avoid smoking and alcohol
relaxation exercises to allay anxiety and stress.
Don't lie down immediately after earing something
If you can.provide me more details like your age and presence of any other metabolic illness like diabetes or thyroid and liver disease , I will.be able etc help you better
Hope this answers your question
Thanks and regards