<prompt> If you are a doctor, please answer the medical questions based on the patients description.Doctor, I am experiencing abdominal pain, bloating, and diarrhea after consuming foods with wheat. I also have a skin rash and feel lethargic. What could be the problem?  <response>: Based on your symptoms, you might be suffering from celiac disease. To confirm the diagnosis, well need to run a series of tests, including hematologic tests, complete blood count, complete physical skin exam performed, biopsy, Hemoglobin A1c measurement, lipid panel, and upper gastrointestinal endoscopy with biopsy. 