Respected user, hi I evaluated your query thoroughly.
*Relates to 
Gastritis in most instances where stomach acid gives you burning sensation in upper abdomen.
*Go through certain instructions honestly ,mostly you will be fine in sometime
- avoid all oily / spicy / nonveg stuffs /beverages
- have small amounts of food at regular intervals
- avoid prolong fasting / overeating
- fix your timings of breakfast, lunch , dinner
- avoid 
smoking / alcohol / any other abuse substances if used
- avoid 
stress / anxiety
- have adequate sound sleep of 8 hours
- take light diet with high amount of proteins, green leafy vegetables, fiber,
  fruits , yoggurt
- take plenty of liquids & maintain hydration
- keep your BP , Blood sugar , 
Cholesterol levels , body weight under control
- 
Proton pump inhibitor Pantorazole (20) mg mor & eve empty stomach 1 
  hour prior to any food for 10 days will help
- can consult your doctor if necessary afterwards
 Hope this clears your doubts.
 Thanks for using Health care magic & keeping trust in our medical services.
 Wishing you fast and speedy recovery from the same.
 Regards dear take care.