Which of the following is NOT erythema multiforme?
Well done, correct.
Erythema multiforme is a hypersensitivity reaction usually triggered by infections, commonly herpes simplex. It is characterised by target/ iris skin lesions. Oral mucosa may be involved in erythema multiforme major. The typical target lesion of erythema multiforme has a well-defined margin, is round in shape and comprised of three concentric coloured areas: (1) centre is dark red with a blister/ crust, (2) next ring is paler pink and raised due to oedema, (3) outermost ring is bright red.
Hand foot and mouth disease is a common viral infection. It is characterised by vesicular eruptions/ blisters distributed across the body, usually on the hands, feet, mouth and oral mucosa. It is most common in children.
