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Valacyclovir

Published by U.S. Food and Drug Administration | U.S. Department of Health & Human Services | Metadata Last Checked: February 18, 2026 | Last Modified: 2025-03-17
Valacyclovir Hydrochloride is a prescription antiviral medication used to treat infections caused by herpes viruses, such as genital herpes, cold sores, and shingles. It comes in oral tablets (500 mg and 1 g strengths) and works by stopping the virus from multiplying. Manufactured by Mylan Pharmaceuticals Inc. This information was generated using AI and is provided for informational and research purposes only.

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