an antiviral substance, C10H15N5O4, produced by the bacterium Streptomyces antibioticus and used in immunosuppressed patients for the treatment of serious infections caused by herpesviruses.
Main Entry: vid·ar·a·bine Pronunciation: vid-'är-&-"bEn Function: noun : an antiviral agentC10H13N5O4·H2O derived from adenine and arabinoside and used especially to treat keratitis and encephalitis caused by the herpes simplexvirus called also adenine arabinoside,ara-A
vidarabine vi·dar·a·bine (vĭ-dār'ə-bēn') n. A purine nucleoside obtained from a species of Streptomyces and used in the treatment of herpes simplex infections.