How long does it take for Valtrex to be effective in protecting against genital herpes transmission?
28-year-old woman
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28-year-old woman · 7 years ago
Hello. According to many health professionals, taking Valtrex as a suppressive therapy helps to decrease the likelihood of transmission and promotes healing of lesions in people living with genital herpes. I know that condom use is also strongly recommended for sexual activity. If a person is on suppressive therapy, how long does it take for the medication to be effective in reducing the likelihood of transmission? After a week, a month? After how long is it present in the body enough to reduce the risk? Thank you.
Alexandre Chagnon · 7 years ago
Hello
Alexandre Chagnon · 7 years ago
Valtrex quickly builds up good blood levels when taken regularly. However, it is impossible to know exactly when it will provide good protection against herpes transmission.
Alexandre Chagnon · 7 years ago
Also, according to a 2004 study of discordant couples (1 with herpes, 1 without) who were given Valtrex, 1.9% of those who took it still developed herpes. Needless to say, condom use is still important, and it is impossible to judge a safe period before stopping its use.
Alexandre Chagnon · 7 years ago
We look forward to seeing you,
Alexandre Chagnon · 7 years ago
Alexandre Chagnon, pharmacist
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