What could cause excessive bile production, resulting in gastritis/duodenitis? egd revealed the former. gastric empty study normal.

Stick with your doc: You are already well down the road to discovering your problem. Sounds like there might be some bile reflux. Controversial topic. Relationship between symptoms and bile reflux is not clear. It is not likely excess bile production that produces gastritis and it is not likely the sole cause of your symptoms. You need a good doc who can explain the details and meaning of your findings.