Your cat can
survive FIP.
Feline Infectious Peritonitis was once a death sentence. Since 2019, antiviral treatments have changed everything. We're here to help you understand your options.
Time matters. FIP — especially wet FIP — can progress quickly. Start with our GS-441524 treatment guide, then join the FIP Warriors community for immediate peer support.
Everything you need to know
Essential reading
Learn how dry FIP symptoms differ from wet FIP, which tests help diagnosis, and what cat owners can watch for to support timely care.
Learn how to buy GS-441524 for FIP treatment safely, avoid risky black-market products, and support your cat's best chance of recovery.
FIP (Feline Infectious Peritonitis) was once a fatal cat disease. Learn what it is, how it develops from FCoV, and why there is now real hope for your cat.
GS-441524 is the antiviral that cures FIP in cats with 80%+ success. Learn about dosage by FIP type, treatment length, monitoring, and where to source it safely.
Learn the symptoms of FIP, how it's diagnosed, which blood tests matter, what the Rivalta test shows, and why early diagnosis is critical for treatment success.
You don't have to face FIP alone. Find active FIP support communities, Facebook groups, veterinary resources, and emotional support for cat owners navigating FIP treatment.
"I remember thinking my cat had maybe 48 hours. Twelve weeks later she's playing and eating normally. The information I found about GS-441524 saved her life."
FIPSupport.org provides educational information only and does not constitute veterinary advice. Always work with a licensed veterinarian for diagnosis and treatment of your cat. Treatment outcomes vary by individual cat and presentation type.