Large erythematous patch as the presenting manifestation of meningococcemia.

Meningococcemia commonly presents with a petechial rash and a transient macular or papular rash is sometimes present. This report describes a patient with meningococcemia who presented with an atypical erythematous patch over the right hemithorax, petechial rash, and a normal platelet count. The patient was treated with broad-spectrum antibiotics and his condition rapidly improved. He was discharged showing complete resolution of his rash with no neurologic sequelae.