erythema multiforme

…culminate in blindness occasionally accompanies erythema multiforme, an eruption on the skin and mucous membranes that sometimes occurs in association with a systemic infection or the use of certain medications.

…the two major erythemas are erythema multiforme and erythema nodosum. Erythema multiforme is characterized by the sudden eruption of crops of red or violet flat spots, wheals, papules (small solid elevations), and vesicles (blisters), the characteristic lesions often having a concentric, or target, pattern; the skin on the palm of…