HomeValacyclovirDosageMedically reviewed by Drugs.com. Last updated on Feb 16, 2024.Applies to the following strengths: 500 mg; 1 gUsual Adult Dose for:Herpes Simplex LabialisHerpes Simplex - Mucocutaneous/Immunocompetent HostHerpes Simplex - SuppressionHerpes ZosterHerpes Simplex - Mucocutaneous/Immunocompromised HostVaricella-ZosterHerpes Zoster - ProphylaxisVaricella-Zoster - ProphylaxisUsual Pediatric Dose for:Herpes Simplex LabialisVaricella-ZosterHerpes Simplex - SuppressionHerpes Simplex - Mucocutaneous/Immunocompromised HostHerpes Zoster - ProphylaxisVaricella-Zoster - ProphylaxisAdditional dosage information:Renal Dose AdjustmentsLiver Dose AdjustmentsPrecautionsDialysisOther CommentsUsual Adult Dose for Herpes Simplex Labialis2 g orally twice a day for 1 dayComments:The 2 doses should be administered 12 hours apart.Therapy should be started at the earliest symptom of a cold sore (e.g., tingling, burning, itching).Efficacy of treatment started after the development of clinical...
