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Zovirax (acyclovir)


Updated November 30, 2008


Antiviral medication used to treat herpes outbreaks.


  • 200mg, 400mg, and 500mg capsules
  • a topical cream

Usual Dosage:

  • 800mg five times per day (doses vary according to type of herpes infection or in the presence of renal disease) or
  • ointment applied to areas of herpes 6 times per day.


  • Can be taken with or without food.
  • Notify your doctor of all medications being taken prior to starting Zovirax.
  • Keep all follow-up appointments to monitor liver function blood work.

Side Efects to Report to Your Doctor:

  • rash
  • diarrhea
  • nausea / vomiting
  • dizziness
  • elevated liver enzymes
  • burning, pain, or itching at application site (ointment)

Drug Interactions and Incompatibility:

  • Do not take with the drug Probenecid

For more information:

For more information on Acyclovir try About.com's Drug Finder

More drug fact sheets

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