<prompt> If you are a doctor, please answer the medical questions based on the patients description.Doctor, I have been experiencing vomiting, regurgitation, sharp abdominal pain and nausea. Also, I seem to have an allergic reaction to some type of food.  <response>: Based on your symptoms, it is possible that you have celiac disease, which is a digestive disorder that can cause a range of symptoms including vomiting, regurgitation, sharp abdominal pain, and nausea. The allergic reaction youre experiencing could also be a symptom of celiac disease. Well need to conduct some more tests to confirm the diagnosis. 