Feline Leukemia Vaccine
Veterinarian Pete Wedderburn, DVM explains feline leukemia and why your cat should get the feline leukemia vaccine . Keep reading to learn the facts.
The feline leukemia vaccine is core for all kittens and recommended for cats with outdoor access. Learn which cats need it, the vaccination schedule, side effects , and cost .
Feline Leukemia Virus
Feline Leukemia Vaccine Side Effects Most cats show no visible side effects after vaccination against Feline Leukemia , but like any vaccine , there is a low incidence of complications that can include swelling at the vaccine site, and rarely (less than one in ten thousand cases), cancer at the site of vaccination, months or years later.
The most common side effects of the FeLV vaccine are localized pain and swelling, fever, and lethargy, and some cats will develop a firm lump at the injection site that can persist for several weeks.
Is the Feline Leukemia Vaccine Good or Bad
Feline leukemia (FeLV) is a serious viral infection that poses significant health risks to cats . In 2026, the average cost of the feline leukemia vaccine typically ranges from $25 to $70 per dose.
FeLV vaccines are safe and there is no risk of the vaccine causing FeLV. Vaccine reactions are rare in cats ; however, any vaccine may cause transient, mild side effects for a few days after vaccination, such as lethargy and low appetite.
Feline Leukemia Vaccine (FeLV) for Cats
The feline leukemia vaccine helps protect cats against the feline leukemia virus (FeLV). Learn how it works, its side effects , and if your cat needs it.
Some cat guardians are concerned about vaccinations and potential harm they can cause their cat . This is why AnimalWised looks at the leukemia virus vaccine for cats side effects . We see how it works and why the reward vastly outweighs the risk . You may also be interested in: What Is the Triple Vaccine for Cats ?
Feline Leukemia (FeLV) Vaccine Guide
Learn about Feline Leukemia (FeLV) in cats , symptoms, transmission, vaccine schedule, safety, cost , and prevention tips to protect kittens and adult cats .
