Trusted Prescription Drug Information

• Do not take Zovirax without first talking to your doctor if you are allergic to valacyclovir (Valtrex).
• Before taking this medication, tell your doctor if you have kidney disease. You may need a dosage adjustment or special monitoring during treatment.
• Zovirax is in the FDA pregnancy category B. This means that acyclovir is not likely to harm an unborn baby. Do not take this medication without first talking to your doctor if you are pregnant.
• Zovirax passes into breast milk and may affect a nursing infant. Do not take this medication without first talking to your doctor if you are breast-feeding a baby.