Valtrex (valacyclovir hydrochloride) is a prescription antiviral drug that can shorten the duration of cold sores, genital herpes, and shingles. It may cause mild side effects in some people.

The valacyclovir dose for cold sores is different from the dose for herpes, and the dose also depends on whether this is your ...

However, if you take valacyclovir once a cold sore outbreak has already occurred, you can shorten the duration of the outbreak by a few days, she explains. Cold sores are painful and can seriously ...

For children over 12 years old with cold sores, the dose is 2 g every 12 hours for 1 day. Valtrex does not cure cold sores but can help shorten the duration of the blisters during the flare-ups.

A supplemental new drug application (sNDA) for Valtrex (valacyclovir HCl) caplets has been approved by the U.S. Food and Drug Administration (FDA) for the treatment of cold sores in healthy adults.

ANSWER: For cold sores caused by recurrence of the oral herpes simplex virus, early treatment with antiviral medicine can speed up healing. ... Valacyclovir is generally well-tolerated, ...

A month’s supply of valacyclovir (500 milligrams) tablets costs between $23 and $30. ... Once I went on Medicare, I learned the real price of this cold sore ointment -- outrageous!

First, you’re not alone. Up to 80% of American adults have the herpes simplex virus (HSV-1), which can cause cold sores (also known as fever blisters), according to Johns Hopkins. The viral ...

Cold sores stem from the herpes simplex virus type 1 (HSV-1), ... while prescription antivirals like acyclovir or valacyclovir can shorten the outbreak duration.

While individual cold sore episodes will heal, there’s no way to banish the virus from your body, so you’ll always be at risk for future outbreaks, Dr. Wassef said. “HSV-1 is a chronic ...

Simply fill in a brief questionnaire. Valaciclovir is an antiviral medicine used to treat genital herpes, cold sores, chickenpox and shingles. However, it's not a cure: there is no current cure for ...