Mucha-Habermann disease may also be called PLEVA (pityriasis lichenoides et varioliformisacuta). It is a skin disease characterized by a recurrent red rash that is itchy and burning. There are red elevated areas on the skin, with small pus, lymph, or serous-filled blister-like elevations. There also may be headache, chills, malaise, and sometime pain in one or more joints. It affects females and males equally.