Companion Animals

Cat Feline Infectious Peritonitis Treatment Advances

FIP was historically fatal but antiviral treatments now offer cure rates above 80%, transforming welfare outcomes for affected cats.

Key Facts

FIP affects approximately 1 in 100-300 cats and was 100% fatal before 2019
GS-441524 antiviral treatment achieves cure in 80-95% of treated cats
Treatment requires 84 days minimum of daily antiviral administration
The drug was initially available only through grey market import in many countries
Regulatory approval is now expanding, making treatment more accessible globally

Welfare Considerations

FIP causes progressive suffering through wet or dry forms affecting multiple organs. The availability of effective treatment has transformed FIP from a death sentence to a manageable disease, dramatically improving welfare outcomes when treatment is accessible and affordable.

What You Can Do

Ask your vet about FIP treatment options if your cat is diagnosed
Support campaigns for regulatory approval and affordability of FIP antivirals
Contribute to cat welfare organisations funding FIP treatment access
Learn about FIP symptoms for early detection