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. 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. Clomid period Do zoloft side effects wear off Where to buy acyclovir 5 cream Ciprofloxacin mycoplasma 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. Cold sores are the result of the herpes simplex. The most common treatment for cold sores is Valacyclovir Valtrex. Here's how it works. Nobody likes having unsightly looking cold sores on their face. They don’t look good and are usually inflamed and weepy. Have you recently been diagnosed with. 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 Valacyclovir oral suspension 25 mg/mL or 50 mg/mL can be., Valacyclovir Valtrex for Cold Sores Dosage, Where can you buy viagra onlinePurchasing hydrocodone acetaminophen 7.5 325Prednisone used to treatCialis with food or withoutClomid dosage instructions 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. How Long Does it Take for Valtrex to Work on a Cold Sore?. How Long Does it Take for Valtrex to Work on a. Cold Sores Symptoms, Causes, Treatment, and More. Cold sores can put your lips out of kissing commission for a week or two because newly erupted blisters are highly contagious until they dry out. Once the herpes virus is in your body, recurrent. 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. The herpes simplex virus that causes cold sores, often on people’s mouths, is highly contagious and a lifelong infection with no cure. Learn about how to treat cold sores when they appear.