Online Valtrex (Valacyclovir)
Antivirals • Educational only; not medical advice. Prescriptions at clinician discretion.
Overview
Valacyclovir, sold under the brand Valtrex, is an antiviral prodrug rapidly converted to acyclovir in the body. It was developed to improve the oral bioavailability of acyclovir, enabling less frequent dosing.
Uses
Treats herpes simplex infections (cold sores, genital herpes), shingles (herpes zoster), and chickenpox. Also used to reduce transmission risk in patients with frequent HSV-2 recurrences.Dosage & Administration
Common regimens: 500 mg–1 g once or twice daily, depending on condition. Cold sores: 2 g twice daily for 1 day; shingles: 1 g three times daily for 7 days. Take with water and maintain hydration.Side Effects & Warnings
Generally well tolerated. Possible effects: headache, nausea, and abdominal pain. Rare but serious: kidney impairment, confusion, or hallucinations, mainly in elderly or dehydrated patients.Patient Considerations
Start therapy at the earliest symptom onset. Use safe-sex precautions even during suppressive treatment, as virus shedding can occur.Ready for next steps?
Frequently asked questions
Is Valtrex the same as Acyclovir?
It converts into acyclovir but requires less frequent dosing due to better absorption.
Can Valtrex prevent herpes entirely?
It reduces outbreaks and transmission risk but does not eliminate the virus.
Is long-term Valtrex use safe?
Yes, long-term suppressive therapy is well tolerated under medical supervision.
Government / NIH sources
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