<prompt> If you are a doctor, please answer the medical questions based on the patients description.Doctor, my neck is hurting a lot and my skin is irritated. Also, my skin looks abnormal and its really itchy. I have a rash on my skin too. What could be wrong with me?  <response>: Based on your symptoms, it appears that you have intertrigo, which is a skin condition that causes redness, itching, and skin rashes in areas where skin rubs against skin or clothing, like the neck. 