All are true about erythema multiformis except –: (A) Due to Herpes simples, (B) Due to sulphonamide, (C) Lesion are symmetrical, (D) Mucous membrane is usually involved
Answer is D. Mucosal involvement is uncommon (<20%) in erythema multiforme (erythema multiforme minor), where as mucosal involvement is common in TEN-SJS complex.