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Author: Admin | 2025-04-28
For sure.Clinical trials show that when participants with recurrent cold sores took valacyclovir early — most of them within two hours of the onset of symptoms — their cold sores lasted an average of one day less compared to those taking a placebo.You should start taking valacyclovir as soon as you notice signs of a cold sore, such as:TinglingItchingBurningValacyclovir dosage can also make a difference in how quickly it works.One study gave participants with cold sores one of two treatments or a placebo. The first treatment was 2 grams of valacyclovir taken twice in one day. Compared to the placebo, this reduced the duration of cold sores by one day.The second treatment was 2 grams of valacyclovir twice in one day and 1 gram of valacyclovir twice the next day. This also reduced the duration of the cold sores, but not by as much. Compared to the placebo, it cut the duration of the cold sores by half a day.If you miss a dose, valacyclovir may take longer to work. If you forget a pill, take the missed dose as soon as you remember, and take your next dose at its regular time. If it’s almost time to take your next dose by the time you remember, skip the missed dose.How Long Does Valtrex Take to Work For Genital Herpes?Valacyclovir can reduce how long initial herpes outbreaks last by two to four days. An initial herpes outbreak is your first outbreak of herpes.Cold sores and genital herpes are close cousins. Cold sores are usually caused by herpes simplex virus type 1 (HSV-1), and genital herpes is typically caused by herpes simplex virus type 2 (HSV-2). You can learn more in our guide to HSV-1 and HSV-2.As with cold sores, you want to start treating genital herpes as soon as they
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