Valacyclovir is used to treat herpes virus infections, including herpes labialis (also known as cold sores), herpes zoster (also known as shingles), and herpes simplex (also known as genital herpes) in adults. It is also used to treat chickenpox and cold sores in children. In your body, valacyclovir becomes the anti-herpes medicine, acyclovir. Although valacyclovir will not cure shingles or genital herpes, it does help relieve the pain and discomfort and helps the sores heal faster. Valacyclovir is available only with your doctor's prescription. tadalafil dosage 20mg Valacyclovir works best if it is used within 48 hours after the first symptoms of shingles or genital herpes (e.g., pain, burning, or blisters) begin to appear. For recurrent outbreaks of genital herpes, valacyclovir works best if it is used within 24 hours after the symptoms begin to appear. If you are taking valacyclovir for the treatment of chickenpox, it is best to start taking valacyclovir as soon as possible after the first sign of the chickenpox rash appears, usually within one day. Valacyclovir may be taken with meals or on an empty stomach. If you are using the oral suspension, use a specially marked measuring spoon or other device to measure each dose accurately. The average household teaspoon may not hold the right amount of liquid. Drink extra fluids so you will pass more urine while you are using this medicine. Metoprolol er dosing How to buy phenergan How Much Valacyclovir Valtrex Should You Take During a Herpes Outbreak? Have you noticed the warning signs of a herpes outbreak starting t. sertraline 25 milligrams Valtrex official prescribing information for healthcare professionals. Includes indications, dosage, adverse reactions, pharmacology and more. Valacyclovir works best if it is used within 48 hours after the first symptoms of shingles or genital herpes e.g. pain, burning, or blisters begin to appear. 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 -- The drug Valtrex -- prescribed to prevent recurrences of genital herpes -- may actually help prevent the spread of the virus from one sexual partner to another. The lifelong infection affects 1 in 5 adults, and many infected people don't have symptoms and don't know they are infected. In the study heterosexual, monogamous couples were instructed to use condoms during sex. Previous research has shown that even when told to use condoms, many monogamous couples don't follow these instructions. Once-daily Valtrex cut the chance of the partner getting herpes with no symptoms by 50%. The risk of developing genital herpes with symptoms in the partner dropped by 77%. 24 hours after lesion onset) Suppressive therapy (immunocompetent patients): 1 g/day PO Suppressive therapy (immunocompetent patients with ≤9 recurrences annually): 500 mg/day PO; transmission reduction for source partner, 500 mg/day PO Suppressive therapy (HIV-infected patients): 500 mg PO q12hr Thrombotic thrombocytopenic purpura (TTP)/hemolytic uremic syndrome (HUS) reported in patients with advanced HIV disease and in allogenic bone marrow transplant and renal transplant recipients Acute renal failure (ARF) may occur, especially in elderly patients or those with underlying renal impairment receiving higher than recommended doses; use with caution in patients with renal impairment, the elderly, and/or patients receiving nephrotoxic drugs Treatment should begin with the earliest symptom (tingling, burning, itching) in cold sores; for genital herpes, it should begin at the first signs and symptoms (within 72 hours of onset of first diagnosis or 24 hours of onset of recurrent episodes); for herpes zoster, it should begin within 72 hours of onset of rash; for chicken pox, it should begin with the earliest sign or symptom Central nervous system (CNS) effects may occur (eg, agitation, hallucinations, confusion, encephalopathy); risk of CNS adverse effects is higher in elderly patients Adequately hydrate patient; decreased precipitation in renal tubules may occur Metabolized by liver; valacyclovir is rapidly and nearly completely converted to acyclovir and L-valine via first-pass effect; acyclovir is hepatically metabolized to a very small extent by aldehyde oxidase and by alcohol and aldehyde dehydrogenase (inactive metabolites) The above information is provided for general informational and educational purposes only. Individual plans may vary and formulary information changes. Contact the applicable plan provider for the most current information. Valtrex for herpes Valtrex Reviews Everyday Health, Valtrex - FDA prescribing information, side effects and uses Sertraline and hair loss Prednisone miscarriage When using Valtrex for oral herpes, it is essential for patients to initiate treatment as soon as possible after they notice symptoms of an outbreak. Valtrex Valacyclovir - Side Effects, Dosage, Interactions -. Valacyclovir Oral Route Proper Use - Mayo Clinic Valacyclovir Valtrex Dosage Guide for Herpes Outbreak Learn about Valtrex Valacyclovir Hydrochloride may treat, uses, dosage, side effects, drug interactions, warnings, patient labeling, reviews, and related medications. double g xanax Valtrex is a generic drug, which treats cold sores and herpes. It is used when patients show low immunity response to other drugs. Generic Valtrex treats shingles. Medscape - Herpes simplex, zoster-specific dosing for Valtrex valacyclovir, frequency-based adverse effects, comprehensive interactions, contraindications.