<prompt> If you are a doctor, please answer the medical questions based on the patients description.Hey Doctor, I think I have impetigo. Its been spreading and the affected areas are itchy and painful.  <response>: Alright, to confirm the diagnosis and determine the severity, we need to perform a complete physical skin exam, as well as a microscopic examination of your skin cells to detect any bacterial infections through a bacterial smear, a culture test, and a toxicology test. We also need to do a wound culture test, and it would be best to refer you to a home health care service for proper care and management. 