Valacyclovir

In pharmacology and virology, valacyclovir (Valtrex) is "a prodrug of acyclovir; 53% of oral dose excreted as acyclovir in the urine; a 200-400% improvement on acyclovir; used in the management of HSV and VZV infections and the prophylaxis of HCMV infections; RN given refers to the monohydrochloride L-valine isomer."

History

Valtrex brand of valacyclovir was approved by the Food and Drug Administration in the United States with a New Drug Application (NDA) in 1995. A generic version was approved with a Abbreviated New Drug Application (ANDA) in 2007.

Pharmacology

Toxicity

Drug toxicity includes

External links

The most up-to-date information about Valacyclovir and other drugs can be found at the following sites.

• Valacyclovir - FDA approved drug information (drug label) from DailyMed (U.S. National Library of Medicine).
• Valacyclovir - Drug information for consumers from MedlinePlus (U.S. National Library of Medicine).
• Valacyclovir - Detailed information from DrugBank.