Thanks for writing your query.
Your symptoms can be due to increased acidity and gas production.
You should get following investigations done :-
1. Liver Function Test.
3. Test for H.pylori.
You can take antacid like Omeprazole
20 mg along with Domperidone
10 mg once a day for relief from your symptoms.
Following precautions will be helpful :-
1. Avoid spicy/oily foods.
2. Donot miss a meal.
3. Avoid mental/emotional stress.
4. Avoid cigarrete/alcohol, if any.
5. Drink atleast 8-10 glasses of water daily.
I hope this is helpful to you.