Tell your doctor if you have kidney disease. You may need a dosage adjustment or special monitoring during treatment with famciclovir.

Do not take famciclovir if you are allergic to penciclovir (Denavir®) without first talking to your doctor.

Famciclovir is in the FDA pregnancy category B. This means that it is unlikely to harm an unborn baby. Do not take famciclovir without first talking to your doctor if you are pregnant.

Furthermore, it is not known whether famciclovir passes into breast milk. Do not take famciclovir without first talking to your doctor if you are breast-feeding a baby.

The safety and effectiveness of famciclovir have not been established for children younger than 18 years of age.

Herpes infections are contagious and you can infect other people, even during treatment. Avoid letting infected areas come into contact with other people, and it is strongly advised that you wash your hands frequently to prevent transmission.

Please note that famciclovir will not prevent the spread of genital herpes. Avoid sexual intercourse or use a latex condom to prevent spreading the virus to others.

 

FDA Information

Why is this medication prescribed?

Other uses for this medicine

Dosage and using this medicine

What should I do if I forget a dose?

What side effects can this medication cause?

What storage conditions are needed for this medicine?

In case of an emergency/overdose