This involves a characteristic rash, which usually begins with a larger oval spot with a fine, scaly collarette preceding the rest of the lesions. Affecting young individuals. it is usually limited to the torso and limbs, following the lines of the skin. The breakout usually remits spontaneously, such that if there is no improvement in two months' time, diagnosis should be reassessed.
There are atypical cases of pitiriasis rosea Gilbert (vesicular, papular, purpuric) which should be differentiated from other skin diseases. Treatment is symptomatic (antihistamines, topical corticosteroids, oral erythromycin, and narrowband UVB).
