Herpes simplex Virus Esophagitis in an Immunocompetent Patient with Ebstein-Barr Virus Infection.

Epstein-Barr virus infectious mononucleosis can cause transient immune deficiency which may predispose to reactivation of latent herpes simplex virus (HSV) infection in the immunocompetent host. We report the case of a 15-year-old male who presented with severe odynophagia and herpes labialis during the course of Epstein-Barr virus infectious mononucleosis that had been diagnosed ten days before. Esophagoscopy revealed extensive ulcerations with distinct borders and whitish exudates at the mid and distal esophagus. Polymerase chain reaction detected HSV-1 DNA in the biopsy specimens. The patient was treated with intravenous acyclovir. The symptoms resolved rapidly within 3 days, in accordance with improved endoscopic findings.