from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. An antiviral prodrug used in the management of herpes simplex and herpes zoster.


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  • Products based on antiviral substances such as aciclovir, penciclovir, famciclovir and valaciclovir are the most commonly used treatment options.


  • Generics also cut sales of Valtrex (valaciclovir) for herpes by 46% to £176 million.

    PharmaTimes World News

  • Pharmaceutical sales accounted for £5.8 billion of the total staying level with the year-ago quarter, with an acceleration of generic competition to herpes therapy Valtrex (valaciclovir), turover of which plummeted 59% to £165 million, a temporary suspension of its rotavirus vaccine Rotarix, and lower sales of Avandia (- 26% to £152 million) particularly holding back growth during the period.

    PharmaTimes World News

  • In patients with recurrent disease, valaciclovir or aciclovir have been used to reduce the likelihood of recurrences.

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  • The improved pharmacokinetic profiles and simpler dosing regimens of oral valaciclovir (1,000 mg three times daily for 7 days) or famciclovir (250 mg or 500 mg three times daily) have led to their use instead of aciclovir

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  • Genital herpes is usually treated with an anti-viral drug called acyclovir, as well as two new variations of acyclovir, called valaciclovir and famciclovir.



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