<prompt> Following antiviral drugs used in chicken pox EXCEPTAcyclovirFamciclovirValacyclovirNivirapine  <response>: Nevirapine 1044-H 1104-5-HI7lhNevirapine Non nucleoside reverse transcriptase inhibitors used in AIDSTreatment of chicken pox Herpes Zoster Acyclovir 800 mg by mouth five times daily for 5-7 days is recommended for adolescent and adult with chicken pox of 24 hours duration Famciclovir - the prodrug of penciclovir, is at least as effective as acyclovir Valacyclovir, the prodrug of acyclovir, accelerates healing and resolution of zoster-associated pain more promptly than acyclovir.Treatment of Acute neuritis or post herpetic neuralgia - analgesics Gabapentin, amitriptyline, hydrochloride, lidocaine patches, and fluphenazine hydrochloride have been beneficial for pain relief. Glucocorticoids is appropriate only for relatively healthy elderly persons who have moderate or severe pain at presentation. Glucocorticoids should not be used without concomitant antiviral therapy. 1045-H 