Myth-busting: FIV

What you need to know about FIV or Feline Immunodeficiency Virus (FIV)

The RSPCA lifts the lid on FIV, what it is, how it is caught and what an FIV cat needs.

FIV (Feline immunodeficiency virus) is a viral infection that affects cats. It causes affected animals to have a weaker immune system in comparison to non-FIV positive cats.

FIV initially results in a short-lived illness which is often not noticed by a cat’s owner. Cats then enter a stage of progressive immune system decline but many remain without symptoms of the disease for many years. In fact, research indicates that FIV cats may have a similar life expectancy to uninfected cats.

Whilst these cats may be prone to a variety of common diseases, there are no symptoms that are specific for FIV cats. An FIV positive cat may be more prone to chronic respiratory infections, skin problems, mouth inflammation and certain types of tumours but there is no definitive rule.

How do cats catch FIV?

FIV is most commonly seen in unneutered male cats who have been involved in fighting for territory. It’s spread by biting and body fluids and does not spread in the environment. Some kittens can be passed the infection from their mum, but many can clear it before they’re six months old.

This disease is one of the main reasons why we strongly recommend all cats are neutered at four months of age, as neutering can reduce a male cats urge to mate, roam and fight.

FIV is spread through direct contract, therefore it’s very important that FIV cats are kept indoors.

Can humans catch FIV?

While FIV is related to HIV in humans, there’s no way that the cat virus can cross between species and infect people. FIV only affects cats and cannot be transmitted to non-felines.

Can FIV be cured?

Although there is no cure for FIV, some cats are able to live long and happy lives and can make wonderful pets. A vaccine exists to prevent FIV infection in America, but its use is controversial and it’s not available in the UK.

Can positive cats be kept with other pets?

FIV is not easily transmitted between cats (only through deep bites and not via sharing food and other normal interaction), however the risk means that a FIV positive cat should be adopted into a single cat, indoor household only. However, they could live with a dog or other pet, as FIV cannot be transmitted to humans or other non-feline animals.

What should you feed a FIV cat?

FIV cats should receive a good quality, balanced diet. They shouldn’t be given any raw food or dairy products, as the risk of contracting foodborne bacterial and parasitic disease is greater in immunosuppressed individuals.

Will I be able to insure my FIV cat?

Pet insurance companies should be informed if your cat is infected with FIV – just as with any other pre-existing conditions. Each insurer offers different terms and conditions but many do not provide payouts for pre-existing conditions or illnesses. Be sure to fully discuss FIV with any potential insurers.

Veterinary and health needs for FIV positive cats

Contact your vet promptly if you have any concerns that your cat has caught an infection, or shows any other signs of ill health. Visit your vet for an annual check-up and keep up to date with vaccinations. Make sure that you provide regular preventative healthcare, such as anti-parasite treatments, as recommended by your vet.

Adopting a FIV positive cat can be really rewarding

FIV cats can enjoy a happy life and can make wonderful companions. However, as they will need to be indoor cats they will require more time and attention to keep them stimulated and happy.

To prevent the disease from spreading, an FIV cat must be the only cat in the household, so if you would like to have a one cat home, an FIV cat may suit you.

Although no-one can predict the future, many FIV cats can potentially live long, healthy and full lives, just like a non-infected cat, and have all the usual needs such as a nutritious diet, mental stimulation and plenty of love!

To give a loving home to one of the many cats in RSPCA care please visit: 

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6 thoughts on “Myth-busting: FIV

  1. Elaine Lively says:

    I was so glad to see this information.a neighbor and I care for a outside cat,recently taken him to the vet for deep nite wound to his tail.Freddie interacts with our cats,and it’s good to know it can’t be spread by casual contact.thankyou.also,I think every cat should be an INDOOR cat!!

  2. Pingback: Myth-busting: FIV – Katzenworld | "OUR WORLD"

  3. Pingback: Myth-busting: FIV - Katzenworld Shop

  4. sidilbradipo1 says:

    My male Lemmy is FIV positive. He lives with other four male masters of mischief. All five neutered and indoor guys ?
    Very, very low possibilities of FIV transmission, they only play – but not fight – together!
    I hope he will live long and happy ?

  5. Léa says:

    Good information is always worth having. Filed away with the hopes that none of our precious ones will need it.

  6. CJ Bauman says:

    My years of rescue experience has shown that the FIV kits seem to be the sweetest around (hence their being easy targets for unneutered males protecting turf who attack them). I always advocate slow intros but would never hesitate having FIV pos and non cats living together. I expect more studies to show that this is not an issue but the one in 2014 drove that point home that is not a big deal.

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