Dr. Niels Pedersen, a distinguished professor at the University of California, Davis, has dedicated his career to pioneering research on the treatment of Feline Infectious Peritonitis (FIP). With his unwavering commitment and extensive expertise in feline immunology, Dr. Pedersen has become a leading authority in the field. His lifelong dedication to understanding the complexities of FIP has contributed significantly to advancing our knowledge of this devastating disease. Through his tireless efforts, Dr. Pedersen has not only shed light on the causes and mechanisms of FIP but has also spearheaded groundbreaking studies aimed at developing effective treatment options. Eventually, in 2019, his research with the nucleoside analogue GS441524 gave hope to countless cats and their owners, inspiring optimism for the future of FIP treatment and the well-being of feline companions around the world.
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Since 2018, GS441524 has shown amazing results in treating Feline Infectious Peritonitis (FIP). Extensive research and clinical field experience have demonstrated the efficacy and safety of GS441524 in treating various forms of FIP. This antiviral drug has been instrumental in saving the lives of hundred thousand cats diagnosed with FIP.

GS441524 works by inhibiting the replication of the feline coronavirus responsible for FIP, leading to quick improvements in clinical signs and overall outcomes.

Its use has become widespread, and unaccountable success stories highlight its effectiveness in treating this devastating disease.

FENH, a renowned brand in the field of Feline Infectious Peritonitis (FIP) treatment, offers a revolutionary solution for cat owners and veterinarians dealing with FIP. FENH is manufactured in a laboratory equipped with state-of-the-art facilities, ensuring the highest standards of production and quality control. The raw materials used in FENH are meticulously selected for purity, making it one of the purest on the market. Each batch of FENH undergoes rigorous quality testing, guaranteeing its effectiveness and safety.

FENH is available in both injection and tablet forms, providing flexibility in administering the treatment to FIP-afflicted cats. It is recommended to initiate the treatment with injections for a minimum of 2-4 weeks, depending on the cat’s clinical condition. This initial phase allows for a concentrated delivery of the active ingredient and optimal absorption, promoting faster therapeutic response. After the injection phase, transitioning to the oral form of FENH offers convenience and ease of administration for long-term maintenance.

Notably, FENH has gained significant popularity in the European Union (EU) and is widely recognized as the most used product for FIP treatment. Its exceptional value for money, combined with its proven efficacy, has made it a preferred choice for veterinarians and cat owners seeking effective and affordable treatment options for FIP.

When considering FIP treatment, FENH stands out as a reliable and trusted brand. Its adherence to the highest manufacturing standards, coupled with the convenience of injections and tablets, offers a comprehensive solution for combating this devastating disease. With FENH, cat owners can find renewed hope in improving the health and quality of life for their beloved feline companions.
FENH offers flexible dosing options to cater to the specific needs of cats with Feline Infectious Peritonitis (FIP). The FENH brand is available in two concentrations: 15mg/ml and 20mg/ml, allowing veterinarians to choose the appropriate strength based on individual cases. In addition, FENH is available in pill form, offering further convenience for both veterinarians and cat owners. The pills are available in three strengths: 6mg, 24mg, and 42mg, providing a range of options for accurate and tailored dosing.

SPRING, a highly regarded brand in Feline Infectious Peritonitis (FIP) treatment, offers an advanced solution for cats battling this devastating disease. What sets SPRING apart is its unique formulation of GS441524 in the less acidic form, with a pH of 1.8. This innovative approach minimizes discomfort during administration, ensuring a more tolerable experience for both cats and owners.
Manufactured in the United States under the supervision of Western medical chemists and utilizing state-of-the-art equipment, SPRING guarantees the highest quality standards. The raw materials used in SPRING undergo rigorous scrutiny to maintain exceptional purity, ensuring consistent efficacy in every batch. Rigorous quality control measures are implemented to safeguard the product’s integrity and effectiveness.
SPRING has gained widespread appreciation due to its ability to offer effective treatment while minimizing discomfort. Compared to other brands with similar efficacy but lower pH levels, SPRING’s gentle formulation reduces potential pain and discomfort, addressing the concerns of both cats and their owners. This consideration for the well-being and comfort of feline patients has earned SPRING its esteemed reputation.
When choosing a FIP treatment, SPRING stands out as a reliable and trusted brand. Its commitment to reducing discomfort, coupled with its high-quality manufacturing process and meticulous quality control, makes SPRING an excellent choice for cats suffering from FIP. With SPRING, cat owners can have confidence in providing their beloved companions with a treatment that combines efficacy with enhanced comfort, bringing hope for improved health and well-being.
In addition to its standard formulation, SPRING is proud to offer an even milder option called SENSITIVE. SENSITIVE is designed to provide an extra level of comfort for cats during FIP treatment. With a concentration of 17.5mg/ml, it offers a gentler approach compared to the standard concentration of 20mg/ml.
Guarantee
Spring offers a guarantee that covers 50% of the cost of the extension and/or relapse (relapse within 6 months from the end of the first protocol)
To validate the guarantee, specific tests are required at different intervals during the treatment. Here is a breakdown of the tests required at each stage:
4th week:
Complete and detailed CBC (hematology)
Biochemistry with parameters: Tbil, ALAT, GGT, PAL, UREA, CREA, ALBUMIN, GLOBULINE
8th week:
Complete and detailed CBC (hematology)
Biochemistry with parameters: Tbil, ALAT, GGT, PAL, UREA, CREA, ALBUMIN, GLOBULINE
Mandatory abdominal ultrasound for all cats to check for the absence of granulomas, enlarged lymph nodes, lesions, effusion, etc.
Electrophoresis of serum proteins (not mandatory at this stage but recommended)
11th week:
Complete and detailed CBC (hematology)
Biochemistry with parameters: Tbil, ALAT, GGT, PAL, UREA, CREA, ALBUMIN, GLOBULINE
Mandatory serum protein electrophoresis (protocol evaluation and validation)
Control ultrasound (only if previous ultrasound showed abnormalities)
It’s important to note that the guarantee is valid only if the examinations listed above are carried out and the recommendations are followed. In case of an extension or relapse, the cat’s entire medical file will be sent to the laboratory representatives to validate the guarantee.
If the required tests are not performed and the recommendations are not followed, the guarantee will be void. It’s crucial to adhere to the specified protocols and follow the instructions provided by the brand for the guarantee to remain valid.

POPCATS, a trusted brand in the realm of Feline Infectious Peritonitis (FIP) treatment, provides a ray of hope to cat owners facing this devastating disease. Dedicated to accessibility and effectiveness, POPCATS offers a comprehensive solution to cater to the needs of feline companions and their owners.
POPCATS is available in both injection and capsule forms, providing flexibility in administering the treatment based on individual circumstances. This versatility ensures that cat owners can choose the most suitable option for their beloved pets. The injections provide a concentrated delivery of the active ingredient, allowing for optimal absorption during the initial treatment phase. Following this, transitioning to the oral capsules offers convenience and ease for long-term maintenance.
Manufactured in the United States, POPCATS is committed to providing the most accessible treatment option for cat owners affected by FIP. Every batch undergoes rigorous quality control measures to ensure consistency, efficacy, and safety.
It is important to note that starting the treatment with injections for a minimum of 2-4 weeks, depending on the cat’s clinical condition, is recommended before transitioning to the oral form. This initial phase allows for focused and effective delivery of the medication, potentially leading to a more robust therapeutic response.
POPCATS understands the emotional and financial challenges faced by cat owners dealing with FIP. With its accessibility and commitment to quality, POPCATS strives to provide a compassionate solution that caters to the needs of both feline patients and their devoted owners.
POPCATS is committed to providing affordable options for FIP treatment, and that includes its capsule form. The capsules are available in three concentrations: 5mg, 10mg, and 20mg, allowing for precise dosing based on the specific needs of each cat. With a focus on affordability, POPCATS offers the best price on the market for these capsules. This ensures that cat owners can access effective FIP treatment without breaking the bank. With a consistent concentration of 20mg/ml, POPCATS capsules provide a convenient and cost-effective solution for managing FIP and improving the well-being of feline companions.