Thanks for writing your query.
The symptoms described by you are indicating towards GERD (Gastro Esophageal Reflux Disease
Pain in the chest and excessive burping is due to increased acid production and gas production.
Taking antacid like Omeprazole
20 mg along with Domperidone
10 mg early in the morning will be beneficial. Antacid gel will be more effective as it forms a protective layer over the damaged mucosa.
Follow following precautions:-
1. Take care of your diet. Avoid spicy and oily foods. Donot miss a meal or remain empty stomach for long.
2. Avoid emotional/mental stress.
3. Avoid cigarrete smoking/tobacco and alcohol intake.
4. Donot self medicate especially with pain killers and steroids.
Get yourself investigated for H. pylori, a common cause of gastritis
and also get an endoscopy
I hope this is helpful to you.