This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Infection, Subject name: Medicine
Following antiviral drugs used in chicken pox EXCEPT 
Select and explain. 
A. Acyclovir, B. Famciclovir, C. Valacyclovir, D. Nivirapine
D: Nivirapine
Answer: D: Nivirapine 
Explanation: (Nevirapine) (1044-H) (1104-5-HI7lh)Nevirapine (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)