Thanks for writing your query.
After reading your post, it seems that you might be having your symptoms due to increase in acidity in your stomach.
You can take an antacid
40 mg once a day after meals along with Domperidone
Antacid in gel or liquid form will be beneficial.
You can get following investigations done :-
1. H. pylori test.
If your symptoms persists, get yourself clinically examined.
I hope this is helpful to you.