Hello doctor, since 3 weeks I am suffering from stomach pain, gas and few times when pain increases I feel nausea and vomit. My last meal comes out in vomiting. Pain first increases when i take meal and then gradually decreases and sometimes its gone like it was never before. My gall bladder is already taken out due to stone. Pain is in my upper abdomen. I am taking pan D and sucral syrup twice a day before meal from yesterday adviced by a doctor friend over phone. Kindly suggest what to do.thank you.