Compounded Famciclovir (Famvir) For Cats & Other Pet Animals
Famciclovir is an antiviral medication used animals and humans to treat infections. It is used in animals to help a variety of conditions. It is often used to control herpesvirus infections in cats. It is important to remember that even though the medication takes several doses after being given before you will see any benefits. Often the true benefits of the medication to your animal’s health may not be seen outwardly. It may take several weeks of constant dosing of taking this medication for you to see an improvement in your animal’s condition. Famciclovir does require a prescription from your veterinarian in order to be dispensed. You and your veterinarian should discuss if this is the best option for your pet.
Famciclovir is given orally and can be compounded to the desired strength and flavor that best suits your patient/pet. We compound this medication into suspensions and capsules. This medication is best given with or without food. If the patient vomits after receiving the dose on an empty stomach, the next dose should be given with food to decrease GI upset. If you miss a dose do not double up on the medication. Wait until the next dose is due and follow the normal dosing schedule as directed. This medication should be avoided in animals that are pregnant or nursing unless the benefits to the mother outweigh the risks to the offspring. You and your veterinarian should discuss if this is the best option for your pet.
Common side effects of Famciclovir include decreased appetite and increased urination. If the patient experiences persistent symptoms that do not lessen or resolve, please contact your vet. Overdoses of this medication can be serious. If you suspect an overdose, contact your veterinarian or poison control.