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FAQ

Welcome to the Furpurr FIP Treatment FAQ!

We're here to guide you through Feline Infectious Peritonitis (FIP) treatment using GS-441524. Find answers to common questions about FIP symptoms, GS-441524 effectiveness, dosages, and more. Our team of experts and volunteers is dedicated to supporting FIP cats. Got a question? We're just a message away! Let's bring hope to FIP cats worldwide.

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Should cats diagnosed with FIP be quarantined?

It is not considered necessary to quarantine a cat who has been diagnosed with FIP  as horizontal transmission of the mutated FIP virus is considered extremely uncommon, if it happens at all.  Studies have confirmed that even in cases where cats in close contact with each other developed FIP, the virus mutated independently from FECV within each cat rather than horizontal transmission of the mutated FIP virus.​

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That said, research has shown that FIPV is present in the feces of some cats with FIP, which does make horizontal transmission theoretically possible.  Additionally, research has also shown that even when the mutated virus is shed, it does not seem very contagious.​ Recent research has supported a "circulating virulent–avirulent FCoV" theory (as opposed to horizontal transmission) as an explanation for clusters of cases sometimes seen in multi-cat environments, particularly shelters, catteries and rescues.

Have there been recurrences of FIP in treated cats beyond the 3 month observation period?

A small number of cats who had been treated for FIP have been reported as re-diagnosed with FIP as much as 1-2 years beyond the end of their FIP treament.  It is unknown if these recurrences represent a delayed relapse of the original disease, or if the virus again independently mutated to FIP from FECV. The incidence of this seems extremely small -- only tens of reports of this have surfaced out of many thousands of cats successfully treated.​

Can a cat undergoing FIP treatment be spayed/neutered?  What about other surgeries?

Spaying/neutering a cat during the latter part of FIP treatment is a relatively common practice, typically done around weeks 9-10. This may in fact be preferable to waiting until after treatment.  since going into heat is stressful on the cat (and owner!) and may impair their recovery against FIP.  â€‹Provided that the cat is stable and has shown favorable response to treatment, other surgeries can be performed when necessary.  Care should be taken to conduct the surgery and recovery period in the least stressful protocol and logistics possible.

Is there vaccine for FIP?

A vaccine for FIP does exist, however it is generally not recommended for use as there is not sufficient evidence that it confers a clinically relevant level of protection.

What are the recommendations for treatment or monitoring for the 3 month observation period following FIP antiviral treatment?  

The 3 months observation period following the end of FIP treatment are intended to confirm whether or not the treatment has been successful in eliminating the FIP virus -- or not. Once the decision has been made to discontinue treatment, the antiviral therapy should simply be discontinued  -- no tapering is necessary.   Additional treatment or supplementation can be continued during observation period. Many cats continue getting a CBC and chemistry panel every 4-6 weeks during the observation period to ensure a continuous recovery progress and no sign of relapse.
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In general, the cat can be treated as one would a normal cat-- non-invasive surgeries, or treatments for other diseases or conditions, etc. can be conducted as usual.  However, given that relapses most commonly reveal themselves during the first month after  treatment is ended, it may be wise to avoid anything during this time that could complicate identifying or treating a relapse.

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