Acyclovir
Antiviral, Synthetic Purine Nucleoside Analogue
Acyclovir is a highly effective, synthetic purine nucleoside analog with targeted inhibitory activity against the herpesvirus family, including Herpes Simplex Virus (HSV) types 1 and 2 and Varicella-Zoster Virus (VZV). Available in topical, oral, and intravenous forms, it remains a cornerstone treatment for managing various viral outbreaks, from common cold sores to life-threatening encephalitis. Its clinical utility stems from a unique three-step activation mechanism dependent on viral thymidin