Several medications, including Valtrex, are available to treat cold sores. Some are used topically (on the skin) and others are used orally (by mouth), but the goal is to treat cold sores as early as possible. That's because starting a medication when prodromal symptoms such as burning, tingling, or redness begin will give a person with a cold sore the best chance of either preventing an actual blister from forming or shortening a blister's course once it does appear. While the FDA has approved the use of certain drugs for cold sores, some antiviral drugs aren't specifically FDA-approved for cold sores but have been shown in clinical studies to be effective treatments. Given this, receiving a prescription for an off-label use of one of these drugs may help eliminate or prevent cold sores. Antiviral drugs can have several effects on oral herpes simplex viral infections, including cold sores. These medications can decrease the time that it takes for cold sores to heal and reduce symptoms, especially pain. amoxicillin 250 mg dosage for child Valacyclovir belongs to the class of medications known as antivirals. It is used to treat a viral infection affecting the skin known as shingles (herpes zoster). It is also used to treat cold sores, and to treat and prevent recurrences of genital herpes. It works by interfering with the way the virus reproduces. Valacyclovir works by stopping the virus from multiplying and spreading to nearby healthy cells. It does not cure shingles, cold sores, or genital herpes, but it does help the sores to heal more quickly, and it relieves pain and discomfort. When used to prevent recurrences of herpes, it also reduces the risk of transmission (spreading) of the infection to others. Dirt cheap cialis What is amoxil Cheap silagra tablets Valacyclovir enhances acyclovir bioavailability compared with orally. 79% had previously used topical antivirals to treat their cold sores but. purchase retin a cream online One-day treatment with the prescription antiviral drugs famciclovir Famvir or valacyclovir Valtrex shortens cold sore symptoms by one to two. Cold sores, also known as herpes labialis or fever blisters, are highly infectious sores on the lip and outer edge of the mouth. Cold sore outbreaks heal faster when Acyclovir is taken, compared to letting the virus run its course. Valacyclovir is used to treat infections caused by certain types of viruses. In children, it is used to treat cold sores around the mouth (caused by herpes simplex) and chickenpox (caused by varicella zoster). In adults, it is used to treat shingles (caused by herpes zoster) and cold sores around the mouth. The viruses that cause these infections continue to live in the body even between outbreaks. Valacyclovir is also used to treat outbreaks of genital herpes. Valacyclovir decreases the severity and length of these outbreaks. In people with frequent outbreaks, this medication is used to reduce the number of future episodes. It helps the sores heal faster, keeps new sores from forming, and decreases pain/itching. This medication may also help reduce how long pain remains after the sores heal. Read the Patient Information Leaflet if available from your pharmacist before you start taking valacyclovir and each time you get a refill. This content has not been reviewed within the past year and may not represent Web MD's most up-to-date information. To find the most current information, please enter your topic of interest into our search box. 27, 2002 -- Here's good news for cold sore sufferers. Just one day of treatment with a medication called Valtrex makes the unsightly, painful sores disappear faster. A study presented at the American Academy of Dermatology's summer meeting, held in New York this week, outlines results from a large trial of Valtrex. "The findings of these studies are encouraging as they show there may be a convenient and effective way for people with cold sores to treat their outbreaks," says researcher Stephen K. Tyring, MD, Ph D, of the University of Texas Medical Branch at Galveston, in a news release. A one-day oral treatment that shortens the duration of outbreaks has clear advantages over currently available topical treatments, he says. Is valtrex for cold sores Valtrex User Reviews for Cold Sores at, Preventing cold sores - Harvard Health Canadian online pharmacies How to order xenical online It is also used to treat cold sores, and to treat and prevent recurrences of genital herpes. It works by interfering with the way the virus reproduces. Valacyclovir. Valtrex - Rexall Zovirax Treatment for Cold Sores - Valtrex Helps Cold Sores Vanish - WebMD Valtrex can treat cold sores, recurrent infections caused by the herpes virus. Learn more about this antiviral drug and other prescription meds. buy tretinoin cream 0.1 online Cold sores are no fun. Learn about Valtrex, a prescription drug that could help you shorten the time you have cold sores or even avoid them. What is valacyclovir? It's the active ingredient in Valtrex, used to treat cold sores and genital herpes.