Figure 1.

(a‐c) In a patient with erythema multiforme major, clinical presentation of dusky red macules and papules, targetoid lesions on the trunk and erythematous plaque on the upper palate, and histopathological appearance of parakeratosis, spongiosis, lymphocytic exocytosis, parabasal layer vacuolar changes, moderate mononuclear inflammation in the dermis (HE, ×200). (d) In a patient with pityriasis rosea, multiple erythematous scaly papules located along the skin cleavage lines with herald patch on the right breast. (e) In a patient with symptomatic dermographism, weals along the shape of the scratching and rubbing areas