Herpes Simplex

**Definition:** A group of acute infections caused by herpes simplex virus type 1 or type 2 that is characterized by the development of one or more small fluid-filled vesicles with a raised erythematous base on the skin or mucous membrane. It occurs as a primary infection or recurs due to a reactivation of a latent infection. (Dorland, 27th ed.)

**Tree numbers:** - C01.925.256.466.382 - C01.925.825.320 - C17.800.838.790.320

**Synonyms:** - Herpes Simplex Virus Infection