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What causes Feline Infectious Peritonitis (FIP)?

Updated: Oct 1, 2023

Feline Infectious Peritonitis (FIP) is a viral disease of cats caused by certain strains of a virus called the feline coronavirus. The virus is highly infectious and is transmitted through different bodily fluids. Cats that are housed in high-density facilities (i.e. shelters, catteries) appear to be more susceptible to the development of FIP, as are purebred cats, male cats, and geriatric cats, for reasons that remain unclear. The disease results from a viral infection called feline coronavirus causing widespread and severe inflammation in the body. FIP can occur at any age but is more common in cats less than one year of age when their immune system is not fully functional.

The exact cause of the mutation that leads to FIP is unknown. However, it is thought that the mutation may be caused by a combination of genetic and environmental factors.

Some of the factors that may increase the risk of a cat developing FIP include:

  • Age: FIP is most common in young cats, typically between 3 and 6 months old.

  • Genetics: Some breeds of cats, such as the Abyssinian, Bengal, Birman, Himalayan, Ragdoll, and Devon Rex, are more prone to developing FIP.

  • Immune system: Cats with a weakened immune system, such as those that are stressed or have other health conditions, are more likely to develop FIP.

  • Environment: Cats that live in multi-cat households or that are frequently exposed to other cats are at an increased risk of developing FIP.

If you are concerned that your cat may have FIP, please contact your veterinarian. They can perform the necessary tests and recommend the best course of treatment. It is safe to treat your cat preemptively with Remedy 2801™ as Remedy 2801™ will only target the FIP virus with most cats not experiencing any side effects. Citations:







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