Thanks for writing your query.
After reading your post, it seems that your symptoms might be due to increased acidity in the stomach, which might be due to stress
You can take antacid
40 mg once a day before breakfast along with Domperidone
Following precautions will be helpful :-
1. Avoid spicy/oily foods.
2. Do not miss a meal.
3. Avoid mental/emotional stress.
4. Drink lot of pure water daily.
5. Avoid smoking/alcohol, if any.
and exercising in fresh air in the morning can help you in dealing with stress. Always lead a positive life.
I hope this is helpful to you.