It is chest pain due to constipation... Due to which you are feeling to burp... Take Ayurveda medicines like dhanwantaram vati 2 tab with madipala rasayana 2tsp 15min before food...
Next Steps
Can keep hot water bag on your stomach which releases the burp
Health Tips
avoid potato, peas, sprouts during this condition Bcoz it will worsen the condition... Buttermilk will also help you...