Medical Dictionary


noun val·a·cy·clo·vir \ˌval-ə-ˈsī-klō-ˌvir\

Medical Definition of valacyclovir

  1. :  a prodrug of acyclovir that is administered orally in the form of its hydrochloride C13H20N6O4·HCl to treat shingles, genital herpes, and cold sores—see valtrex

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