What is the dosage of valacyclovir (Valtrex) for treating Bell palsy (idiopathic facial paralysis) (IFP)?

Updated: Jun 14, 2019
  • Author: Danette C Taylor, DO, MS, FACN; Chief Editor: Selim R Benbadis, MD  more...
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Valacyclovir (Valtrex), taken orally in doses of 500 mg twice daily for 5 days, may be used instead of acyclovir. Although it is more expensive, it may be associated with better compliance. If VZV is the cause of Bell palsy, higher doses may be needed (1000 mg orally 3 times daily). Because of the increased cost and greater risk of side effects with higher doses, however, valacyclovir cannot be routinely recommended for the treatment of Bell palsy at this time.

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