It comes in the form of a tablet you take by mouth. Valacyclovir is available as a brand-name drug called Valtrex. Generic drugs usually cost less than the brand-name version. In some cases, they may not be available in every strength or form as the brand-name drug. This drug may be used as part of a combination therapy. This means you may need to take it with other medications. Valacyclovir is used to treat viral infections caused by a group of viruses called herpes simplex viruses. These infections include oral and genital herpes, shingles, and chickenpox. xanax used for 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. Diflucan 100 mg Valacyclovir vs acyclovir for cold sores The recommended dosage of VALTREX for chronic suppressive therapy of recurrent genital herpes is 500 mg twice daily. Reduction of Transmission The recommended dosage of VALTREX for reduction of transmission of genital herpes in patients with a history of 9 or fewer recurrences per year is 500 mg once daily for the source partner. Herpes Zoster where to buy tetracycline cream Valacyclovir Dosage for Shingles. Valacyclovir is also used to treat shingles -- a painful form of herpes skin rash caused by the varicella zoster virus. The standard dose of valacyclovir used to treat shingles is 1,000 mg taken three times every day. Medscape - Herpes simplex, zoster-specific dosing for Valtrex valacyclovir, frequency-based adverse effects, comprehensive interactions, contraindications, pregnancy & lactation schedules, and cost information. 2 g orally every 12 hours for a total of 2 doses HIV-infected adult (guideline dosing): 1 g orally twice a day for 5 to 10 days Comments: -Therapy should be started at the earliest sign of a cold sore, e.g. -Efficacy of treatment when initiated after the development of clinical signs of a cold sore have not been established. -Guidelines for the Prevention and Treatment of Opportunistic Infections Among HIV- Infected Adults and Adolescents may be consulted for additional guidance. Use: For the treatment of cold sores (herpes labialis). Genital Herpes: FIRST EPISODE: 1 g orally twice a day Duration of therapy: 10 days (manufacturer): 7 to 10 days (CDC recommendation) RECURRENT EPISODES: 500 mg orally twice a day for 3 days OR 1 g orally once a day for 5 days -Therapy should be started at the first sign of a genital herpes episode Comments: -All patients with newly acquired genital herpes should receive antiviral therapy as first episodes can cause a prolonged clinical illness, even among persons with mild clinical manifestations initially. -Therapy for the initial episode is most effective when administered within 48 hours of onset of signs and symptoms; the efficacy or initiating treatment more than 72 hours after onset of signs and symptoms has not been established. -For recurrent episodes, the efficacy of starting more than 24 hours after onset of signs and symptoms has not been established. -CDC STD treatment Guidelines may be consulted for additional guidance. 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. Dose of valacyclovir Valtrex Valacyclovir - Side Effects, Dosage, Interactions., Valacyclovir Dosage Guide Cold Sores, Genital Herpes & More Generic avodart cheap Valacyclovir may also be used to prevent another type of viral infection cytomegalovirus in some people. Valacyclovir is available under the following different brand names Valtrex. Dosages of Valacyclovir Adult and Pediatric Dose Forms and Strengths. Capsule. 10 mg; 20 mg; Herpes Labialis. Adult 2 g orally every 12 hours for 1 day Valacyclovir Side Effects, Dosages, Treatment, Interactions. Valtrex valacyclovir dosing, indications, interactions. Valacyclovir Uses, Dosage, Side Effects - Valtrex may not be the best choice for certain people. People with kidney damage or kidney failure may need a lower dosage of Valtrex. Be sure to tell your doctor if you have kidney problems. where to buy clomid uk muscle Valacyclovir Dosing for Cold Sores When treating cold sores herpes labialis in adults and children at least 12 years old, the dose of valacyclovir is 2000 mg 2 grams, taken twice a day for one day. The two doses should be taken about 12 hours apart. The administration of valacyclovir 500 mg twice daily to a breast-feeding woman would provide the nursing infant with an oral acyclovir dosage of approximately 0.6 mg/kg/day, resulting in less than 1% of the exposure obtained after administering a neonatal intravenous dose for the treatment of neonatal herpes i.e. 60 mg/kg/day.