Which of the following statements regarding antiviral treatment of herpes zoster is true?
• Acyclovir is less effective than famciclovir or valacyclovir in preventing postherpetic neuralgia. • Antiviral agents are effective when administered within 5 days of rash onset. • Duration of postherpetic neuralgia is decreased by prompt antiviral therapy of herpes zoster. • Antiviral therapy is not effective against acute pain caused by herpes zoster. • Antiviral treatment of herpes zoster leads to antiviral resistance in the varicella virus. Click here to compare your answer.