NeoFipronis® Official - GS-441524 for FIP in Cats

NeoFipronis® — A New Hope for Cats with FIP

Officially Registered in Laos: Oral GS-441524 (Pronidesivir) for Cats with FIP

Officially Registered in Laos: Oral GS-441524 (Pronidesivir) for Cats with FIP

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Authority & Registration

Pharmaceutical Grade. 99.8% Purity. Officially registered by the Ministry of Agriculture and Forestry (MAF) for the treatment of FIP.

View Official Registration About GS-441524

RETAIL

Start Treatment with Confidence

Choose the appropriate NeoFipronis® pack based on your cat’s weight and treatment plan. To ensure uninterrupted treatment, we recommend ordering enough for the full 84-day course — Most customers start with a 30-day supply based on their cat’s body weight.

Final quantity depends on your cat’s weight and FIP type. • Use Dosage Calculator

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30-Day Supply Options NeoFipronis 30 mg Tablets

PRODUCT OPTIONS

NeoFipronis® 30 mg GS-441524 Tablets

One product, multiple box options. Select the appropriate 30-day supply based on your cat’s weight.

1 Box / 30 Tablets For Cats 1–2 kg

$168.00 ~~$380.00~~

Choose 1 Box

2 Boxes / 60 Tablets For Cats 3–4 kg

$328.00 ~~$760.00~~

Choose 2 Boxes

3 Boxes / 90 Tablets For Cats 5–6 kg

$488.00 ~~$1,140.00~~

Choose 3 Boxes

4 Boxes / 120 Tablets For Cats 7–8 kg

$638.00 ~~$1,520.00~~

Choose 4 Boxes

NEOFIPRONIS® SUPPORT

Reliable Support for Your Cat’s FIP Journey

If relapse occurs after the initial 84-day course, we will work with your veterinarian and provide support for up to an additional 84 days of NeoFipronis® use when appropriate — because your cat’s recovery matters.

Need Help Reviewing Your Cat’s Case?

Share your cat’s weight, symptoms, and case details to receive a free FIP case review.

Free Case Review Contact Support

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Learn about feline infectious peritonitis (FIP), including FIP symptoms, wet and dry FIP, diagnosis, treatment options, GS-441524, and supportive care for cats.

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Can ocular FIP be cured?

Can wet FIP be completely cured? Yes, many cats with wet FIP can recover completely when they receive timely and appropriate treatment.

Jul 21,2026 · NeoFipronis

Can Wet FIP Be Cured? Understanding Recovery, Treatment, and Prognosis

Can Wet FIP Be Completely Cured in Cats? Yes, many cats with wet FIP can recover completely when they receive timely and appropriate treatment.

Jul 17,2026 · NeoFipronis

How Much Does FIP Treatment Cost for Cats in the U.S.?

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