Trusted Prescription Drug Information

• Do not take Valtrex without first talking to your doctor if you are allergic to acyclovir (Zovirax).
• Before taking this medication, tell your doctor if you have kidney disease or immune system problems. You may need a dosage adjustment or special monitoring during treatment with valacyclovir.
• Valtrex is in the FDA pregnancy category B. This means that it is not expected to be harmful to an unborn baby. Do not take this medication without first talking to your doctor if you are pregnant or could become pregnant during treatment.
• It is not known whether valacyclovir passes into breast milk and how it may affect a nursing baby. Do not take this medication without first talking to your doctor if you are breast-feeding a baby.