Zovirax warnings, precautions

Before using Zovirax topical, tell your doctor if you have any other medical conditions or if you use any other medications. Zovirax topical is in the FDA pregnancy category C, which means that it is not known whether it will harm an unborn baby. Do not use Zovirax topical without first talking to your doctor if you are pregnant. It is not known whether Zovirax topical passes into breast milk. Do not use Zovirax topical without first talking to your doctor if you are breast feeding a baby.