Definitions for vidarabine
An antiviral drug which is active against herpes simplex and varicella zoster viruses.
U.S. National Library of Medicine
A nucleoside antibiotic isolated from Streptomyces antibioticus. It has some antineoplastic properties and has broad spectrum activity against DNA viruses in cell cultures and significant antiviral activity against infections caused by a variety of viruses such as the herpes viruses, the VACCINIA VIRUS and varicella zoster virus.