<prompt> Target or Iris lesion are seen in:UrticariaErythema multiformeScabiesLichen planus  <response>: Ans. B. Erythema Multiforme EM It is an acute self-limited, usually mild and often relapsing mucocutaneous syndrome MCC is infection with Herpes simplex virus. 2nd MCC: Mycoplasma pneumonia.Clinical Presentation Occurs in all ages but mostly in adolescents young adults, with a slight male preponderance. Characteristic TargetlrisBulls eyeAnnular lesion. Most occur in symmetric acral distribution on extensor surface of extremities hand, feet, elbow knees, face neck and appear less frequently on thigh, buttocks trunk. Influenced by mechanical factors Koebners phenome- non actinic factors predilection of sun exposed sites. 