herpes

A viral infection resulting in blisterlike eruptions. Herpes simplex takes the form of recurring blisters filled with clear fluid, known as cold sores when they appear around the lips and as canker sores when in the mouth. Herpes genitalis is a viral infection in the genital area. Herpes zoster, also called shingles, is a painful viral infection of the nerves, most commonly appearing on the chest– abdomen area and sometimes following other nerve pathways.