GS-441524 Compounded Tuna Bisect Tablet, 50 mg, 1 tablet for Veterinary use

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About This Item

Details

GS-441524 is antiviral that has been used for the treatment of feline infectious peritonitis (FIP). GS-441524 Compounded tablets are typically a white to tan round tablet made specifically for your pet.

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Learn More About GS-441524 Compounded From Our Team of Experts

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4.7
Rated 4.7 out of 5 stars
48 Ratings
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Customers Mention

Chewy identifies key considerations with the help of artificial intelligence and our veterinarians.

Ease of Use

98% Positive

Effectiveness

94% Positive

Ingredients

90% Positive

Long-Term Benefits

97% Positive

24 Customer Reviews

Always consult a veterinarian about your pet’s health needs. Customer reviews should not be used as medical advice.

Rated 5 out of 5 stars
By Nora on Jan 12, 2026

Lifesaver for my FIP kitty

My older semi feral kitty slowly started to lose weight and stopped grooming herself. I caught her, went to vet and got FIP diagnosis. At first, the prognosis

My older semi feral kitty slowly started to lose weight and stopped grooming herself. I caught her, went to vet and got FIP diagnosis. At first, the prognosis looked grim. This med was a lifesaver. She is eating well, gaining wet and looks a whole lot better. She continues on the medication along with steroid injections. Hoping for no relapse after she finishes her 3 month course. Fingers crossed

Rated 5 out of 5 stars
By Miguel on Dec 2, 2025

wonderful life changing medicine

Our cat mixi (male 10yrs) was diagnosed with Fip a couple weeks ago, after doing some research on the disease we were initially at a stump of what the plan would

Our cat mixi (male 10yrs) was diagnosed with Fip a couple weeks ago, after doing some research on the disease we were initially at a stump of what the plan would be seeing as this is a very deadly disease on younger cats and we were worried he wouldn’t make it after expensive medicine or would be in pain due to treatment, however we eventually chose regardless to have hope and we Go with the medicine and could not be happier that we did, we noticed improvement in his health and movement at home along with a much shinier soft coat, and I would recommend to anyone in doubt or on the fence about treatment.Thank you chewy!

Rated 4 out of 5 stars
By Donna on Nov 18, 2025

This is by far the most affordable FIP medication

First, I really appreciate that the Chewy pharmacy actually has the GS-441524 tablets for FIP treatment. Second, Chewy offers them at an affordable price compared

First, I really appreciate that the Chewy pharmacy actually has the GS-441524 tablets for FIP treatment. Second, Chewy offers them at an affordable price compared to other places. For many FIP cat owners this is a lifesaver for their cats and something they can manage. I know that medically the pills are the same. However, I did find them somewhat more powdery and chalky compared to the ones I purchased at a different compounding pharmacy. My cat finds them harder to swallow and I wish they were slightly coated for a smoother pill taking experience. It would be nice to improve on that.

Rated 5 out of 5 stars
By Teresa on Nov 22, 2025

SAVED MY KITTENS LIFE

If your cat was diagnosed with fip I can’t recommend this enough. Thank you chewy for making this affordable for us! My kitten was not doing good, even had a procedure

If your cat was diagnosed with fip I can’t recommend this enough. Thank you chewy for making this affordable for us! My kitten was not doing good, even had a procedure done on her belly. She started this medication after so much research and after a week she was doing better! She’s been on it a little over a month, she’s growing, playing and eating. This medication saved my kitten!

Rated 5 out of 5 stars
By Emily on Nov 8, 2025

Quality & Price

I wish I would have realized sooner about Chewy’s compounding pharmacy, I would’ve saved quite literally, about a thousand dollars. My cat has/had FIP and it wasn’t

I wish I would have realized sooner about Chewy’s compounding pharmacy, I would’ve saved quite literally, about a thousand dollars. My cat has/had FIP and it wasn’t until the last round of refills that I found chewy and their compounded tablets as opposed to the difficult to give liquid. This one fill alone saved me $250.

Rated 5 out of 5 stars
By Geoffrey on Nov 5, 2025

Saved my kitty

After losing Thor’s twin , Loki to wet FIP, we were devastated when we found out Thor had dry FIP. I had been given some research on this drug, but was under the

After losing Thor’s twin , Loki to wet FIP, we were devastated when we found out Thor had dry FIP. I had been given some research on this drug, but was under the impression that it was almost impossible to get in the U.S. Ordered it immediately upon vets recommendation, and Chewy got it to us in about 48 hours. I really thought we were going to lose Thor, but thanks to this “miracle” drug, he’s doing much better now. Week 3 of 12 and he seems to feel more like himself. Not out of the woods yet, but cautiously optimistic.

Rated 5 out of 5 stars
By Lisa on Nov 27, 2025

G R A T E F U L !

GS-441524 Compounded is working wonders for my cat, Pip, who was prescribed this medication for treatment and cure of FIP. I am so grateful for the medication and

GS-441524 Compounded is working wonders for my cat, Pip, who was prescribed this medication for treatment and cure of FIP. I am so grateful for the medication and great service and price provided by Chewy! Thank you!

Rated 5 out of 5 stars
By Marina on Oct 28, 2025

saved my cat's life.

My vet tried to get me to purchase this exact medication from Stokes Pharmacy.. they wanted $2000 right out!! I was terrified as I had already spent $1000 to receive

My vet tried to get me to purchase this exact medication from Stokes Pharmacy.. they wanted $2000 right out!! I was terrified as I had already spent $1000 to receive the FIP diagnosis. When I saw Chewy had the same medication at a tenth of the price I started sobbing. Alfred is back to his playful self, and I noticed a change on Day 3. This gives our babies a fighting chance.

Rated 5 out of 5 stars
By Alison on Nov 9, 2025

Thank you Chewy!

Thank you Chewy! Please keep offering these meds for all FIP fighters out there! Because of this being available at an affordable price we are able to treat our

Thank you Chewy! Please keep offering these meds for all FIP fighters out there! Because of this being available at an affordable price we are able to treat our kitten and he's doing much better! We are so grateful.

Rated 5 out of 5 stars
By Rebecca on Oct 29, 2025

Life saving

This is a miracle drug! My kitty was dying and the vets were sending me to pharmacies that wanted $$$thousands for this compound. my kitty has been on it for a few

This is a miracle drug! My kitty was dying and the vets were sending me to pharmacies that wanted $$$thousands for this compound. my kitty has been on it for a few weeks now and she eating again and starting to really get back to herself.