I have had a peptic ulcer since age twelve. Was on heavy narcotics for a year. The last year and half I have had random boughts with sever gas build up, nexium Does not help. In the last week I have developed an on going battle with gas build up, acid reflux, and naseua, no matter what I eat. Ex; stomach fine all fday until I ate lunch... I get indigestion, followed by heartburn, followed by gas build up then the acid reflux.