Therapy was most effective when administered within 48 hours of the onset of signs and symptoms
VALTREX have been investigated in 14 volunteer studies involving 283 adults
Resistant strains of HSV and VZV have been reported
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Learn how to take valacyclovir (Valtrex) for cold sores, genital herpes, and shingles
Chickenpox
Good to know: The typical Valtrex dosage for shingles is 1 gm by mouth
The recommended dosage of VALTREX for treatment of recurrent genital herpes is 500
swelling in Good to know: The typical Valtrex dosage for shingles is 1 gm by mouth three times a day for 7 days
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Dose adjustments for patients with reduced kidney function are described in the Lexicomp drug information topics within UpToDate
g
vomiting
fever, back pain in area where Valacyclovir 500 mg 2 times/day is not recommended for suppression of HSV-2 meningitis; higher doses have not been studied in clinical trials
Your child's provider will determine their dose of valacyclovir (Valtrex) based on your child's body weight
Dosage forms: TAB: 500 mg, 1000 mg herpes labialis (cold sores) [12 yo and older] Dose: 2000 mg PO q12h x1 day; Start: ASAP after sx onset Acyclovir 400 mg orally 2 times/day
OR
325 to 1,000 mg orally every four to six hours as needed (maximum: 4,000 mg per day) Headache, hepatotoxicity, hypersensitivity, nausea, rash
Pharmacology, adverse reactions, warnings and side effects
Serious side effects of Valtrex
Valtrex is an antiviral medication that can help stop the shingles virus from replicating
three times a day for 7 days
Immunocompromised host: Less than 1 year: 10 mg/kg IV 3 times a day for 7 to 10 days