Will you test positive for herpes if you take Valtrex?

Even with high-dose valacyclovir, 3% of swabs carried herpes virus — and patients tested positive 7% of the time. The findings show that herpes hiding in nerve roots doesn’t sleep between outbreaks.

Can herpes be resistant to valacyclovir?

Acyclovir resistance is not common but does occur at higher rates in immunocompromised patients. Acyclovir resistance can be attributed to thymidine kinase mutations and confers cross-resistance among the antiviral nucleoside analogs (acyclovir, valacyclovir, famciclovir, and penciclovir).

Can you get herpes outbreak while taking acyclovir?

Definite herpes episodes despite acyclovir medication occurred in 3 cases (4%). No noteworthy side effects were recorded during the acyclovir treatment. After withdrawal of acyclovir, herpes relapsed within 1-4 weeks in 69% of the patients.

How long can you stay on valacyclovir?

In some cases, your doctor might prescribe valacyclovir for a longer period than 10 days or at a different dosage. In this case, follow your doctor’s instructions and make sure you complete the full course of the medication, even if the herpes blisters heal before the end of the period.

How long can you safely take valacyclovir?

Like most antiviral medication, valacyclovir generally isn’t designed to be used as a “one off” treatment for HSV-1 or HSV-2. Instead, most dosage protocols recommend using valacyclovir over the course of several days (often as long as one week) to control a herpes outbreak.

How long after a herpes outbreak are you contagious?

Wait until seven days after the sore heals. The virus can spread from sores not covered by the condom.

How likely am I to get herpes if my partner has it?

In general, women have a higher risk of becoming infected than men. Having other sexually transmitted diseases such as HIV also increases the risk of transmission. In studies with couples where one partner had genital herpes, the other partner became infected within one year in 5 to 10% of the couples.