Thanks for writing your query.
is due to irriation in the mucosal layer of the stomach as a result of acid secretion.
You can prevent gastritis by following some precautions :-
1. Avoid spicy and oily foods
2. Donot miss a meal
3. Avoid emotional/ mental stress
4. Avoid smoking and alcohol
5. Donot self medicate especially with pain killers and steroids
Taking antacid Omeprazole
20 mg early in morning with Domperidone
10 mg will be beneficial in treating gastritis. Take medication under medical supervision only. Get yourself examined and investigated completely.
I hope this is helpful to you.