Famciclovir tablets are used to treat herpes virus infections. The dose should be adjusted according to the cat’s weight to avoid discomfort. Each dose is 62.6mg/kg-125mgkg. In addition, famciclovir tablets are human medicine and will have a serious impact on the cat’s kidneys. It is recommended to use it on cats. If you find any abnormality in your cat's body, it is best to send it to a pet hospital for examination immediately and cooperate with treatment under the guidance of a veterinarian.