Ask Your Health Question and Get an Answer ASAP
I agree, instead of colonoscopy, you will require an esophagogastroduodenoscopy (upper GI endoscopy) and barium meal examination. Following needs to be looked for;
4) Gastroesophageal reflux disease (GERD)
5) Gastric and duodenal ulcer (peptic ulcer disease)
6) Hiatus hernia
Please feel free for your follow up questions.