I m 30 year old feeling mild burning sensation on left side of my chest which started after taking Zanocin 200 pills for Pilonidal sinus as advised by Dr . There is no pain, doesn't feel uncomfortable while running or working out , sometime burning sensation shift from left to right then stomach. Took Pentacid after which i m having too my fart and burp .It's been 6-7 days still sensation is there. What should be my next course of action plz guide .