Valacyclovir dosage for cold sores

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    Valacyclovir dosage for cold sores


    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. 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.

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    To treat cold sores, the usual dose of valacyclovir is 2000 mg at the first sign of symptoms, followed by another 2000 mg 12 hours later. The treatment should be. VALTREX valacyclovir hydrochloride Caplets. DESCRIPTION. VALTREX valacyclovir hydrochloride is the hydrochloride salt of the L-valyl ester of the antiviral drug acyclovir. Adult Dosage 2.1. Cold Sores. 2 grams every 12 hours for 1 day. Genital Herpes. Initial episode. 1 gram twice daily for 10 days. Recurrent episodes. 500 mg.

    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. 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.

    Valacyclovir dosage for cold sores

    Valtrex Dosage Guide -, Valtrex Valacyclovir Hydrochloride Side Effects.

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  7. 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.

    • Valtrex Valacyclovir Hydrochloride Side Effects, Interactions. - RxList.
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    • Valtrex valacyclovir dosing, indications, interactions, adverse effects..

    For recurrent outbreaks of genital herpes, valacyclovir works best if it is used within 24 hours after the symptoms begin to appear. However, the dose is usually not more than 1000 mg three times a day. For treatment of cold sores. G PO every 12 hours for 2 doses starting at the first sign or symptom of lesions. For HIV-infected adult and adolescent patients, 1 g PO every 12 hours for 5 to 10 days is recommended by the HIV guidelines. Dosage. Valtrex is an oral caplet. It comes in 500-milligram and. It's available as a brand-name product as well as a generic medication valacyclovir. Valtrex should be started at the earliest signs of a cold sore.

     
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