<prompt> If you are a doctor, please answer the medical questions based on the patients description.Doctor, I have been experiencing some itching of my skin and some skin lesions lately. Do you have any idea what this could be?  <response>: Based on your symptoms, it is possible that you may have Pemphigus. This is a rare autoimmune disease that affects the skin and causes lesions to form. You will need to undergo some tests to confirm the diagnosis. 