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. sertraline bruising 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. Sertraline treats Propecia worth it What Is It? Cold sores and fever blisters are caused by herpes simplex virus type 1 HSV-1. This virus is passed from person to person by saliva either directly, or by drinking from the same glass or cup or by skin contact. metformin with glyburide Cold sores are red, fluid-filled blisters that form near the mouth or on other areas of the face. In rare cases, cold sores may appear on the fingers, nose, or inside the mouth. For treatment of cold sores Adults—2000 milligrams mg every 12 hours for one day. Children 12 years of age and above—2000 milligrams mg every 12 hours for one day. Children below 12 years of age—Use and dose must be determined by your doctor. For treatment of genital herpes, first outbreak It slows the growth and spread of the herpes virus to help the body fight the infection. Valtrex is used to treat infections caused by herpes viruses, including genital herpes, cold sores, and shingles (herpes zoster) in adults. Valtrex is used to treat cold sores in children who are at least 12 years old, or chickenpox in children who are at least 2 years old. Valtrex will not cure herpes and will not prevent you from spreading the virus to other people. However, this medicine can lessen the symptoms of an infection. Valtrex may also be used for purposes not listed in this medication guide. Before taking Valtrex, tell your doctor if you have HIV/AIDS, a weak immune system, kidney disease (or if you are on dialysis), or if you have had a kidney or bone marrow transplant. Cold sores are painful and oozing, and they always seem to appear before that wedding or class reunion. Cold sores are typically caused by type 1 virus (HSV-1). Also called fever blisters, the small, fluid-filled lesions typically form near or on your lips and can cause symptoms such as tingling, itching, or burning. But in some cases, HSV-1 can cause sores on the genitals and type 2 virus (HSV-2) can cause sores on the mouth. But, because they’re caused by a virus, they can be treated with antiviral medications. Valtrex, which contains the active ingredient valacyclovir, can help your cold sores clear up faster. It can also reduce the number of cold sores you get. Read on to learn how Valtrex works and how to use it to treat your cold sores. Cold sores typically start to heal on their own within about four to six days. Although, the first cold sore you get will likely last longer. Most people don’t require treatment for their cold sores, but, in some cases, a doctor may prescribe an antiviral medication such as Valtrex. Valtrex for cold sores How Long Does it Take for Valtrex to Work on a, Cold Sores Symptoms, Causes, Treatment, and More Clomid lawsuit Doxycycline how long Cialis india Cold Sores Herpes Labialis The recommended dosage of Valtrex for treatment of cold sores is 2 grams twice daily for 1 day taken 12 hours apart. Therapy should be initiated at the earliest symptom of a cold sore e.g. tingling, itching, or burning. Valtrex - FDA prescribing information, side effects and uses Valacyclovir Oral Route Proper Use - Mayo Clinic Valtrex - FDA prescribing information, side effects Valtrex has been proven as a successful treatment for cold sores. You must take the medication as soon as you feel a cold sore coming on. Timing is everything when taking Valtrex, the sooner you take it, the better your success. order cialis from uk The recommended dosage of VALTREX for treatment of cold sores is 2 grams twice daily for 1 day taken 12 hours apart. Therapy should be initiated at the earliest symptom of a cold sore e.g. tingling, itching, or burning. Genital Herpes Valtrex Helps Cold Sores Vanish. 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.