Indication: Â The acute treatment of herpes zoster (shingles), initial episodes and the management of recurrent episodes of genital herpes, chickenpox (varicella), herpes Simplex Infections in immunocompromised patients, Herpes Simplex Encephalitis, Neonatal Herpes Simplex Virus Infection, Varicella-Zoster Infections in Immunocompromised Patients.