What Is Valtrex Used For

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Valtrex (valacyclovir) is an antiviral medication used primarily to treat infections caused by herpes viruses, including genital herpes, cold sores (herpes labialis), and shingles (herpes zoster) in adults[1][2][4]. In children, Valtrex is indicated for the treatment of cold sores (ages 12 and older) and chickenpox (ages 2 and older)[1][4]. The medication may also be used for the suppression of genital herpes, including reducing the risk of viral transmission, especially in individuals with frequent recurrences or HIV-1 infection[1][2][3]. Valtrex does not cure herpes, but it helps to reduce the severity, duration, and frequency of outbreaks and may lower the risk of spreading the virus to others[4][5].

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