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. viagra sex 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. Sildenafil effect on blood pressure The standard dose of valacyclovir used to treat shingles is 1,000 mg taken three times every day. Valacyclovir treatment for shingles usually goes on for seven. viagra nausea Drug information on Valacyclovir Hydrochloride Caplet for health care professionals. for the treatment of herpes zoster shingles in immunocompetent adults. Cold Sores Herpes Labialis The recommended dosage of VALTREX for. Apr 15, 2000. Herpes zoster commonly referred to as “shingles” and postherpetic neuralgia. Other antiviral medications include famciclovir and valacyclovir. The advantages of famciclovir are its dosing schedule three times daily. 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. 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. Valacyclovir for shingles dose Valtrex valacyclovir dosing, indications, interactions., Valacyclovir Hydrochloride FDA Label - Caplet AIDSinfo Purchase neurontin online Sildenafil dosage for dogs Sildenafil mg For shingles or chickenpox, start taking valacyclovir at the first symptom or as soon as. Do not change your dose, skip any doses, or stop this medication early. Valacyclovir Oral Uses, Side Effects, Interactions, Pictures, Warnings. Management of Herpes Zoster Shingles and Postherpetic Neuralgia. Herpes Zoster Virus shingles - POZ Nov 14, 2014. Valtrex is the brand name for valacyclovir, an antiviral drug used to treat. In adults, it's prescribed for shingles herpes zoster, cold sores. duloxetine generic 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 shingles. An Acyclovir shingles dose is usually given in oral form. It works best when started within 72 hours of first symptoms. An 800mg dose to be taken 5 times in a day for 7-10 days is the common dosage measurement. In 7-10 days, the blisters will have crusted over.