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. You can take valaciclovir tablets either with or without food. Space out your doses evenly over the day, and complete the full course of treatment. It is important that you don't become lacking in fluid in the body (dehydrated). Once inside your body it is broken down into an active ingredient called aciclovir. It is used to treat infections caused by two common viruses - herpes zoster and herpes simplex. Herpes simplex viruses cause cold sores, and genital herpes. You will have been prescribed valaciclovir to treat (or prevent further episodes of) one of these infections. Valaciclovir works by preventing viruses from multiplying, and this reduces the severity of the infection and stops it from spreading. As well as treating infections, valaciclovir is also prescribed to prevent some viral infections from occurring. This is particularly the case in people who have had an organ transplant and are at risk of infection from a virus called cytomegalovirus. Metformin ketosis Sildenafil drug Zoloft for teenage depression Valtrex is a brand name prescription drug with the generic name valacyclovir. Valtrex is an antiviral, oral drug that treats herpes viruses including shingles. VALTREX valacyclovir hydrochloride is the hydrochloride salt of the L-valyl ester of the antiviral drug acyclovir. VALTREX Caplets are for oral administration. Sep 19, 2018. 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. A comprehensive review of the safety and effectiveness of this drug. If the drug is not a Do Not Use product, information on adverse effects, drug interactions and how to use the medication are included. 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. Is valtrex an antibiotic Difference between vaccines, antivirals and antibiotics - Knowledge., Valtrex Valacyclovir Hydrochloride Side Effects. Kamagra oral jelly 100mg reviewsCan i buy retin a otcDuloxetine medication Valtrex valacyclovir is an antiviral drug prescribed for the treatment of herpes viruses such as shingles, genital herpes, and cold sores. Side effects include abdominal pain, diarrhea, dizziness, nausea, vomiting, and headache. Drug interactions, warnings and precautions, and pregnancy and breastfeeding safety information should be reviewed prior to taking any medication. Valtrex Pills valacyclovir generic Side Effects, and Dosage. Valtrex for Cold Sores What You Want to Know - Healthline. Valacyclovir Michigan Medicine. Valtrex is an oral caplet. It comes in 500-milligram and 1-gram strengths. It’s available as a brand-name product as well as a generic medication valacyclovir. Valacyclovir is an antiviral drug. It slows the growth and spread of the herpes virus to help the body fight the infection. Valacyclovir is used to treat infections caused by herpes viruses, including genital herpes, cold sores, and shingles herpes zoster in adults. Valtrex 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.