has anyone had bad issues with burping a lot after gastric bypass? I burp constantly now and it's really bad after I eat. I take nexium 40mg twice a day and gas x. I chew thoroughly and eat slowly, and stop drinking 30 min before eating and don't resume until 30 min after. My doc says he hasn't heard of it and my co-worker complains about it constantly, but I really can't help it. Any advice?