What is Famciclovir? Uses, warnings & side effects

Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light.

Missed dose: Take a dose as soon as you remember. If it is almost time for your next dose, wait until then and take a regular dose. Do not take extra medicine to make up for a missed dose.

Your doctor will tell you how much medicine to use. Do not use more than directed.

Take this medicine at the first sign of a herpes breakout or as soon as possible. The medicine might not work as well if you start treatment too late.

Read and follow the patient instructions that come with this medicine. Talk to your doctor or pharmacist if you have any questions.

Take this medicine at the first sign of a herpes breakout or as soon as possible. The medicine might not work as well if you start treatment too late.

Read and follow the patient instructions that come with this medicine. Talk to your doctor or pharmacist if you have any questions.

Missed dose: Take a dose as soon as you remember. If it is almost time for your next dose, wait until then and take a regular dose. Do not take extra medicine to make up for a missed dose.

Your doctor will tell you how much medicine to use. Do not use more than directed.

Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light.

Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light.

Oral routeAsk your pharmacist, doctor, or health caregiver about the best way to dispose of any outdated medicine or medicine no longer needed.

Keep all medicine out of the reach of children. Never share your medicine with anyone.

This medicine is not right for everyone. Do not use it if you had an allergic reaction to famciclovir or penciclovir cream.

Tell your doctor if you are pregnant or breastfeeding, or if you have kidney disease, liver disease, or lactose absorption problems.

This medicine may make you dizzy or drowsy. Do not drive or do anything else that could be dangerous until you know how this medicine affects you.

Famciclovir will not stop the spread of herpes during sex. Avoid having sex while you have herpes sores.

Even if you have no signs of a herpes infection, it is still possible to spread the virus to others during sex. Talk with your doctor about ways to keep from spreading the virus.

Call your doctor if your symptoms do not improve or if they get worse.

Keep all medicine out of the reach of children. Never share your medicine with anyone.

Some medicines can affect how famciclovir works. Tell your doctor if you are using probenecid.

This medicine may make you dizzy or drowsy. Avoid driving, using machines, or doing anything else that could be dangerous if you are not alert.

Famciclovir will not stop the spread of herpes during sex. Avoid having sex while you have herpes sores.

Even if you have no signs of a herpes infection, it is still possible to spread the virus to others during sex. Talk with your doctor about ways to keep from spreading the virus.

Call your doctor if your symptoms do not improve or if they get worse.