<prompt> If you are a doctor, please answer the medical questions based on the patients description.Doctor, I have a rash that has spread all over my body. Its been itching and bothering me a lot for the past few days. What could this be?  <response>: Based on your description, it sounds like you may have a viral exanthem. In order to confirm this diagnosis, I would recommend a complete physical skin exam, as well as other diagnostic procedures such as an interview, evaluation, and consultation. 