Thanks for writing your query.
After reading your post, it seems that you might be having gastritis
Following precautions will be helpful :-
1.Avoid spicy and oily foods.
2.Avoid being empty stomach for long periods.
3.Avoid mental and emotional stress.
4.Avoid smoking and alcohol, if any.
5.Avoid self medications, especially pain killers and steroids.
6.Drink lots of water daily.
7.Eat light meals prepared under hygienic conditions.
8.Avoid gas producing foods like peas, cabbage, legumes, etc.
9.Avoid eating fast and do not talk while eating.
You can take an antacid like Omeprazole
40mg once a day before meals along with Domperidone
30mg. Digestive enzyme
preparation containing pepsin and fungal diastase after meals will have an added beneficial effect.
Following investigations may be helpful :-
2. Liver Function Test ( LFT ).
I hope this is helpful to you.