<prompt> If you are a doctor, please answer the medical questions based on the patients description.Doctor, I have been having some skin issues lately. My skin is really dry and rough, and its peeling a lot. I also have some mouth ulcers and acne on my face.  <response>: It sounds like you might be experiencing symptoms of lichen planus, a skin condition that can affect both the skin and the lining of the mouth. It can cause skin dryness, peeling, scaliness, or roughness, as well as mouth ulcers and acne-like bumps on the skin. 