Product Description
Basmi FIP™ Dual Antiviral Capsules combine two powerful antiviral ingredients — GS-441524 and EIDD-1931 — in a single oral capsule designed to support cats undergoing treatment for Feline Infectious Peritonitis (FIP).
Using two antivirals together provides a balanced treatment approach. GS-441524 helps stop the virus from multiplying, while EIDD-1931 works through a different mechanism to further disrupt viral replication. This dual-action strategy helps improve treatment reliability and may reduce the risk of the virus developing resistance to a single medication.
By combining both antivirals in carefully balanced amounts, the formula also helps avoid the need for excessively high doses of any one drug, supporting a safer and more controlled treatment plan for your cat.
Basmi FIP™ Dual Antiviral Capsules are designed to be simple for owners to administer at home, making daily treatment easier and less stressful for both cats and their caregivers.
Key Benefits
• Dual-antiviral protection – combines GS-441524 and EIDD-1931
• Two mechanisms against the virus for a more comprehensive treatment approach
• Helps reduce the risk of viral resistance seen with single-drug treatments
• Allows balanced dosing without relying on very high amounts of one antiviral
• Convenient oral capsules for easy daily administration
• Trusted by thousands of cat owners worldwide treating FIP
GS-441524 + EIDD-1931 Dual Antiviral FIP Therapy
Provide 1 oral capsule per day.
Adhere to a scheduled time.
Do not skip any day.Oral capsules can be taken with supportive supplements, and do not interfere with antibiotics or anti-inflammatory treatments your cat may be taking during FIP treatment.
How to use:
- Insert the capsule into the back of the cat's mouth.
- Squeeze wet cat snacks onto capsules. Cats will eat it without struggle.
- Empty capsule content into wet cat food. Cats should consume all content in one feeding session.

Reviews
When I started the Basmi capsules, my kitten was in a really bad condition and on the brink of death. I began with the blue capsules and gradually moved to the green ones according to his weight. By the end of the 84-day treatment, he was completely back to normal.
All his symptoms disappeared, and his life was saved.
Thank you, Basmi, for providing these lifesaving medications for our cats. He truly wouldn’t have survived without them.
The capsules are very effective. Shown the results from the first day. My cat is playing eating and gaining weight also. I am happy to get the delivery in 2 to 3 days without delay
Dale was diagnosed with wet fip, he is in second month of treatment, he is doing really well. Has gained more than a kg. Has become his playful self again
My kitten (6months 1.8kg male) completed 60 dozes of injections has switched to pills, I was sceptical about the efficacy of the same but he is on them for 10 days and is recovering well. Pills are effective too.