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Pronidesivir Tablets Oral Formulation & Drug Information

NeoFipronis® (Pronidesivir) is the first officially approved oral FIP treatment available through regulated veterinary channels. It sets a new standard in FIP care with proven clinical efficacy, safety, and global accessibility.

Official Oral FIP Treatment - No injections, less pain for cats.

Fast Absorption - High bioavailability for quick, effective results.

Proven by Research - Improves recovery and survival rates.

Treats All Types - Works for wet, dry, neuro, and eye FIP.

Vet Recommended - Trusted by vets, loved by pet parents.

Easy to Use at Home - Tablets make daily dosing simple.

Worldwide Access - Available globally for more cats in need.

NEW Breakthrough in Feline Health!

We’re proud to introduce NeoFipronis® (Pronidesivir) — the world’s first officially approved oral treatment for FIP in cats. In partnership with leading veterinary researchers, we’re bringing life-saving innovation to felines worldwide.

Who We Serve

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Pet Owners

We provide trusted, science-backed FIP treatment to give your cat the chance it deserves—because every purr matters.

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Veterinary Clinics

Partnering with licensed clinics to deliver compliant, effective care for cats diagnosed with FIP.

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Global Distributors

We welcome global partners to join us in making NeoFipronis® accessible to cats in need around the world.

NeoFipronis® (Pronidesivir Tablets)


Effective for all forms of feline infectious peritonitis (FIP): effusive, non-effusive, neurological, and ocular.

  • Dosage

    15mg/kg once daily (half a 30mg tablet per kg); increase for neuro/ocular FIP as advised by a vet.

  • Administration Time

    Give once daily on an empty stomach, at the same time each day.

  • Treatment Duration

    At least 12 weeks; extend for severe cases. Continue 2 weeks after recovery and observe 8 weeks post-treatment.

  • Precautions

    Avoid missed or changed doses. Watch appetite, energy, temperature. Do regular blood tests, ensure good nutrition, and reduce stress.

NeoFipronis® (Pronidesivir) is the world’s first officially approved oral treatment for feline infectious peritonitis (FIP), offering a safe, effective, and non-invasive solution. Its high oral bioavailability ensures fast absorption and strong efficacy. The tablet form avoids the pain and stress of injections, making it easier for both cats and owners. Suitable for all types of FIP—effusive, non-effusive, neurological, and ocular—it helps relieve symptoms and improve survival rates. With clear dosing, once-daily administration, and strong clinical support, NeoFipronis® (Pronidesivir) is trusted by veterinarians and cat parents worldwide as a reliable option for at-home treatment.

The Treatment You Trust. The Quality Your Cat Deserves.

With NeoFipronis® (Pronidesivir), you’re choosing a scientifically proven FIP treatment backed by veterinary expertise and strict quality control. Every tablet reflects our commitment to safety, consistency, and care.

In a field where accuracy can mean life or death, NeoFipronis® (Pronidesivir) raises the standard. From formulation to packaging, we follow rigorous protocols to ensure every dose delivers what your cat needs — no compromises, no shortcuts.

Why Pronidesivir Tablets ?

  • First officially approved oral treatment for FIP
  • Manufactured under strict veterinary standards
  • Trusted by vets, backed by science
  • Accurate dosage, easy and safe to administer
  • Multiple quality checks for consistent efficacy
  • Globally compliant and internationally available

NeoFipronis® (Pronidesivir) — your trusted solution for FIP treatment.

Articles & News

FIP Symptoms, Diagnosis, and Treatment | Complete Guide to Feline Infectious Peritonitis (FIP) Prevention and Care
IntroductionFeline Infectious Peritonitis (FIP) is one of the most complex and concerning diseases in feline medicine. Caused by a mutated feline coronavirus (FCoV), FIP can progress rapidly and affect multiple organs, leading to severe illness. For years, it was regarded as an incurable condition, but with the introduction of advanced antiviral therapies, effective treatment is now possible. This guide explains FIP symptoms, how the disease is diagnosed, the treatment options available, and essential prevention strategies for cat owners.1. Recognizing Symptoms of FIPSymptoms of FIP vary depending on whether the cat has the effusive (wet) form or the non-effusive (dry) form.Wet (Effusive) FIP: Characterized by fluid buildup in the abdomen or chest. Cats may have swollen bellies, difficulty breathing, persistent fever, lethargy, and weight loss.Dry (Non-Effusive) FIP: More challenging to detect. Symptoms include neurological problems such as seizures, imbalance, or paralysis; eye changes like uveitis or retinal lesions; chronic fever; and gradual weight loss.General Signs: Poor appetite, depression, anemia, and chronic inflammation. Early symptoms may resemble other illnesses, so careful evaluation is essential.2. How FIP Is DiagnosedThere is no single definitive test for FIP. Instead, veterinarians rely on a combination of medical history, physical examination, and laboratory findings.Blood Tests: High globulin levels, low albumin-to-globulin ratio, anemia, and elevated white blood cell counts are common.Fluid Analysis: In effusive FIP, fluid from the chest or abdomen is examined. FIP fluid is typically thick, yellow, and protein-rich.Imaging: Ultrasound or X-rays can detect fluid accumulation, enlarged lymph nodes, or organ involvement.PCR Testing: Detects coronavirus RNA, though a positive result does not always mean FIP.Clinical Evaluation: Veterinarians combine test results with clinical signs to reach a presumptive diagnosis.3. Treatment Options for FIPThe biggest breakthrough in FIP treatment has been the development of antiviral drugs that inhibit viral replication.GS-441524: A nucleoside analog proven highly effective in blocking viral replication. Survival rates in treated cats now exceed 80–90%.Pronidesivir (NeoFipronis®): An oral formulation of GS-441524 specifically designed for veterinary use. Easier to administer and less stressful for cats compared to injections.Remdesivir: Used in some countries as an alternative, since it metabolizes into GS-441524 in the body.Treatment Duration: Typically requires 12 weeks of continuous therapy, with dosages adjusted for weight and disease severity. Neurological or ocular cases require higher dosages.4. Supportive Care During TreatmentAntivirals are the cornerstone, but supportive measures enhance recovery and improve quality of life.Nutritional Support: High-quality, protein-rich diets help maintain body weight and strength.Immune Support: Taurine, omega-3 fatty acids, probiotics, and vitamins support general health.Anti-inflammatory Medications: Used selectively to reduce severe inflammation, though less critical with effective antiviral treatment available.Symptom Management: Intravenous fluids, appetite stimulants, or antibiotics may be used as needed.5. Monitoring and Follow-UpDuring and after treatment, regular veterinary check-ups are essential.Blood Monitoring: CBC and biochemical tests every few weeks to assess response and detect organ stress.Weight Tracking: Weight gain indicates positive response to treatment.Neurological Assessments: In dry FIP cases with neurological involvement, progress must be monitored closely.Post-Treatment Surveillance: Even after completing the full course, periodic checks ensure no relapse occurs.6. Prevention of FIPSince not every coronavirus infection leads to FIP, prevention focuses on reducing viral load and supporting immunity.Hygiene: Keep litter boxes clean and reduce overcrowding in multi-cat households.Stress Reduction: Cats in low-stress environments have stronger immune defenses.Cattery Management: Breeders must avoid high-density housing and monitor breeding lines for FIP history.Wellness Care: Regular veterinary visits and balanced nutrition strengthen resilience against infection.7. The Future of FIP ResearchThe future is optimistic. Ongoing research aims to refine antiviral drugs, develop safe vaccines, and explore combination therapies for more complex cases. With more veterinary-approved products like Pronidesivir becoming available, treatment will become more accessible and standardized.ConclusionFIP has transformed from a fatal disease into a treatable condition thanks to modern antiviral therapy. By recognizing symptoms early, ensuring accurate diagnosis, and committing to full-course treatment, cat owners can provide their pets with a real chance at recovery. Combined with preventive care, these advances bring new hope for cats worldwide.
FIP Treatment Medications Explained | New Advances in Feline Infectious Peritonitis (FIP) Prevention and Therapy
IntroductionFeline Infectious Peritonitis (FIP) is one of the most challenging diseases in feline medicine. For decades, a diagnosis of FIP was almost always fatal, leaving veterinarians and cat owners with no effective therapeutic options. However, with the discovery and application of new antiviral drugs, the landscape has changed dramatically. Today, FIP is no longer an automatic death sentence, and treatment outcomes continue to improve. This article provides a comprehensive overview of the medications used to treat FIP, their mechanisms, clinical effectiveness, and the latest prevention strategies.1. Understanding FIP and Why Treatment Was DifficultFIP is caused by mutations of the feline coronavirus (FCoV). While most cats infected with FCoV show no or mild symptoms, in some cases the virus mutates and gains the ability to replicate within immune cells, spreading throughout the body and causing severe inflammation. This leads to two primary clinical forms: the wet (effusive) form, characterized by fluid accumulation in the abdomen or chest, and the dry (non-effusive) form, which can involve the eyes, nervous system, and various organs. Historically, the difficulty in treating FIP lay in the fact that the virus hides within immune cells, making it extremely hard to target and eliminate. Supportive care such as fluids, anti-inflammatories, and immune boosters could alleviate symptoms temporarily, but none of these therapies addressed the underlying viral replication.2. Antiviral Medications: The BreakthroughThe true revolution in FIP treatment came with the discovery of nucleoside analogs, specifically GS-441524, a compound closely related to Remdesivir. GS-441524 inhibits viral RNA polymerase, effectively blocking viral replication within the cat’s body. This allowed, for the first time, not just symptom management but true disease remission and recovery.GS-441524: The foundational molecule for FIP therapy. Administered orally or via injection, it directly inhibits the replication of FCoV. Clinical studies have shown survival rates exceeding 80–90% in cats treated with GS-441524.Pronidesivir (NeoFipronis®): A veterinary-approved oral formulation of GS-441524. Unlike injectable forms, oral tablets are easier to administer, reduce stress for cats and owners, and are highly effective in long-term therapy.Remdesivir: Approved for human use against COVID-19, it metabolizes into GS-441524 in the body. In some regions, Remdesivir has been used in veterinary practice as an alternative, especially when GS-441524 was not readily available.3. Clinical Effectiveness of Antiviral TreatmentTreatment success depends on several factors, including the form of FIP, the stage at which therapy begins, and the correct dosage.Standard Treatment Protocols: Most cases require at least 12 weeks (84 days) of continuous therapy. Dosing is weight-based, usually around 10–15 mg/kg/day for effusive and non-effusive forms, while neurological and ocular cases may need 20 mg/kg/day or higher.Response to Treatment: Many cats show rapid improvement within days to weeks of starting therapy. Appetite, energy, and body weight increase, fever resolves, and fluid accumulation diminishes.Long-Term Recovery: With a full and properly monitored treatment course, most cats achieve long-term remission. Relapse is possible if the treatment is stopped prematurely or dosing is insufficient.4. Supportive Medications and Adjunct TherapiesWhile antivirals form the cornerstone of treatment, additional medications can play important roles in improving quality of life and overall survival.Anti-inflammatories: Corticosteroids were traditionally used to reduce inflammation, but with effective antivirals available, their role has diminished. They may still be helpful for specific cases of severe inflammation.Immune Modulators: Interferons and other immune-supporting agents have been tried with variable success. They are not curative but can provide supportive benefits.Nutritional Supplements: Taurine, omega-3 fatty acids, vitamin E, and antioxidants support overall health and recovery. Probiotics and gut-protective supplements are also used to reduce secondary infections and gastrointestinal upset.5. Monitoring During TreatmentEffective therapy requires careful monitoring to ensure success and detect complications early.Bloodwork: Regular complete blood counts (CBC) and biochemistry panels are recommended to track anemia, protein levels, and organ function.Body Weight and Appetite: Monitoring weight gain and food intake provides a direct measure of recovery.Neurological and Ocular Signs: In cases with central nervous system or eye involvement, ongoing assessment of symptoms is vital to adjust dosing.6. Challenges and ConsiderationsWhile treatment outcomes are promising, challenges remainCost: Long treatment durations and high daily doses can make therapy expensive.Access to Medication: In some regions, legal access to GS-441524 or veterinary formulations may still be limited.Owner Compliance: Daily medication for 12 weeks requires strong commitment from cat owners, as missed doses can reduce effectiveness.7. Prevention StrategiesSince not all cats exposed to feline coronavirus develop FIP, prevention focuses on reducing overall exposure and maintaining strong immune health.Hygiene in Multi-Cat Households: Clean litter boxes frequently and avoid overcrowding.Reduce Stress: Stress weakens immunity and increases the risk of viral mutation. Provide stable, low-stress environments.Responsible Breeding: Catteries should manage population density carefully and avoid breeding cats with a history of FIP.General Wellness: Proper nutrition, regular veterinary visits, and vaccination against other infectious diseases strengthen overall health and resistance.8. The Future of FIP TreatmentResearch into FIP therapies continues to evolve. Combination treatments, new delivery methods, and improvements in accessibility promise even better outcomes. In addition, efforts to develop effective vaccines are ongoing, although none are yet universally reliable. With continued scientific progress, FIP may soon become not just a treatable but a preventable disease.ConclusionThe story of FIP has shifted from despair to hope. Once considered untreatable, it is now a disease with high survival rates when managed correctly. Antiviral medications such as GS-441524 and Pronidesivir (NeoFipronis®) represent a medical breakthrough, offering cats worldwide a chance at full recovery. Alongside antivirals, supportive therapies, preventive strategies, and responsible cat ownership all contribute to better outcomes. For veterinarians and cat owners alike, knowledge of these treatments and commitment to early diagnosis and full-course therapy are the keys to success.
FIP Prevention and Treatment Knowledge | How to Prevent and Treat Correctly
IntroductionFeline Infectious Peritonitis (FIP) is a severe disease caused by mutations of the feline coronavirus. For decades, it was regarded as incurable, but with the introduction of antiviral drugs such as GS-441524 and its veterinary formulations like Pronidesivir (NeoFipronis®), both prevention and treatment strategies for FIP have advanced significantly. This article provides cat owners and veterinarians with essential knowledge about how to reduce the risk of FIP and how to treat it effectively when diagnosed.1. Understanding the Risk and Cause of FIPFIP develops when the commonly found feline coronavirus (FCoV) mutates inside a cat’s body. While most cats infected with FCoV show mild or no symptoms, in some cases the mutated virus spreads through immune cells, triggering severe inflammation that damages vital organs.2. How to Prevent FIPThere is no fully effective vaccine against FIP, so prevention relies on management and hygieneKeep litter boxes clean and separate in multi-cat householdsReduce overcrowding and environmental stress to support immunityPractice responsible breeding and cattery management to lower viral spreadEnsure proper nutrition and regular veterinary checkups to maintain overall health3. Correct Treatment Options for FIPFIP is no longer untreatable, thanks to antiviral therapiesGS-441524 and Pronidesivir (NeoFipronis®) are the most effective options, directly blocking viral replication with survival rates above 80–90%Standard treatment lasts around 12 weeks (84 days), with dosage adjusted by weight and severity. Neurological and ocular cases require higher dosesSupportive care includes proper nutrition, fluid therapy, supplements such as taurine and omega-3s, and medications for anemia or secondary infections if needed4. Recovery and Long-Term OutlookMost cats treated with the correct regimen achieve full recovery and return to normal lives. Relapse may occur if treatment is stopped early or doses are insufficient, so completing the full course and regular monitoring are essential.ConclusionFIP is no longer a hopeless condition. With early diagnosis, strict treatment compliance, and modern antivirals like NeoFipronis® (Pronidesivir), cats can now recover and live healthy lives. Prevention through good management and timely medical care remains equally important to reduce risks in multi-cat environments.
Can FIP Be Cured? A Comprehensive Guide to the Latest Prevention and Treatment Options
IntroductionFeline Infectious Peritonitis (FIP) was once considered an incurable disease and one of the most feared diagnoses for cat owners and veterinarians. For decades, nearly all cats diagnosed with FIP had little chance of survival. However, with the development of modern antiviral drugs such as GS-441524 and its veterinary formulations, including Pronidesivir (NeoFipronis®), the outlook for cats with FIP has changed dramatically. Today, FIP is no longer a death sentence, and thousands of cats worldwide are recovering successfully.1. Why Was FIP Once Considered Untreatable?FIP develops when feline coronavirus (FCoV), normally harmless, mutates inside a cat’s body. The mutated virus invades immune cells and spreads systemically, triggering severe inflammation and damaging vital organs. In the past, veterinarians could only provide supportive care such as fluids or nutritional support, which helped temporarily but could not stop viral replication. As a result, FIP was long regarded as untreatable and almost always fatal.2. Can FIP Be Cured Now?The answer is yes. Thanks to the introduction of GS-441524, FIP has become a treatable and often curable disease. Clinical studies and real-world results show recovery rates exceeding 80–90% when cats receive proper antiviral therapy.Oral therapy advantage: Pronidesivir (NeoFipronis®) tablets avoid the pain and stress of injections, making treatment safer and easier for both cats and ownersTreatment duration: standard therapy lasts about 12 weeks (84 days). The dose is adjusted by weight and condition, with higher doses required for neurological or ocular FIPTreatment outcomes: many cats show improvement in appetite, energy, and weight within the first weeks of therapy. At the end of the full course, most achieve clinical cure3. Latest Prevention and Treatment StrategiesAntiviral therapy as the core treatment: GS-441524 and its veterinary formulations are currently the most effective options, directly blocking viral replicationSupportive care alongside antiviral treatment: provide a high-quality, protein-rich diet with supplements like taurine, omega-3 fatty acids, and antioxidants; address dehydration, anemia, or secondary infections as needed; use appetite stimulants or anti-inflammatory medications when requiredRegular monitoring: blood tests and weight checks throughout the treatment course help ensure proper dosage and confirm recovery progress4. Recovery and PrognosisWith proper treatment, the majority of cats can achieve full recovery and return to normal life. Relapse is possible if the dosage is insufficient or the course is incomplete, which is why finishing the full treatment plan is essential. After therapy, routine veterinary checkups are recommended to safeguard long-term health.5. PreventionThere is no guaranteed prevention for FIP, but risk can be reducedKeep litter boxes clean and separate in multi-cat householdsReduce overcrowding and stress in cats’ living environmentsPractice responsible breeding and cattery management to limit viral spreadConclusionFIP is no longer an untreatable disease. With antiviral medications such as Pronidesivir (NeoFipronis®), early diagnosis, proper dosing, and full treatment compliance, many cats can now recover fully. For cat owners, the key steps are recognizing symptoms early, seeking veterinary care promptly, and ensuring consistent treatment. With science and dedication, FIP has gone from a hopeless condition to one with a very real chance of cure.
Feline Infectious Peritonitis (FIP) – What to Do? Symptom Recognition and Scientific Treatment Guide
IntroductionFeline Infectious Peritonitis (FIP) is one of the most serious diseases affecting cats worldwide. For many years, it was considered almost always fatal, leaving cat owners and veterinarians with limited options. However, with the development of advanced antiviral therapies, particularly GS-441524-based treatments such as Pronidesivir (NeoFipronis®), there is now real hope for cats diagnosed with FIP. This guide will help cat owners understand how to recognize symptoms early, what steps to take, and how modern treatment can change the outcome for their pets.1. Understanding FIPFIP is caused by a mutation of the feline coronavirus (FCoV). While FCoV is common in multi-cat environments and usually harmless, in a small percentage of cats the virus mutates into a dangerous form that spreads through immune cells. This leads to severe inflammation throughout the body, damaging vital organs and causing progressive illness.2. Symptoms of FIPRecognizing the signs of FIP early is critical for starting treatment as soon as possible. Symptoms can vary depending on whether the disease presents as wet (effusive) or dry (non-effusive) FIP.General symptoms: persistent fever, loss of appetite, weight loss, lethargyWet FIP: fluid build-up in the abdomen or chest, causing a swollen belly or difficulty breathingDry FIP: neurological signs such as seizures, imbalance, or paralysis; eye problems like uveitis, cloudiness, or vision lossMixed forms: some cats show both fluid accumulation and neurological or ocular signs3. What to Do if You Suspect FIPSeek veterinary care immediately: FIP shares symptoms with other diseases, so professional diagnosis is necessaryDiagnostic tests: blood tests may show anemia, abnormal protein levels, or high globulins; imaging (ultrasound, X-ray) can reveal fluid; fluid analysis and PCR tests may help confirm suspicionDo not delay: FIP can progress rapidly, and early intervention improves treatment outcomes4. Scientific Treatment OptionsUntil recently, FIP was considered incurable. Today, antiviral drugs have changed the landscape.GS-441524 and Pronidesivir (NeoFipronis®): these drugs directly inhibit viral replication, offering survival rates above 80–90% when used properlyTreatment duration: standard courses last around 12 weeks (84 days). Dosage is typically calculated at ~15 mg/kg/day, with higher doses required for neurological or ocular involvementSupportive care: nutritional support, fluid therapy, and supplements (such as taurine, omega-3 fatty acids, and antioxidants) can support recovery5. PrognosisWith timely and proper antiviral treatment, most cats now have an excellent chance of recovery. Many cats return to normal lives after completing therapy, though follow-up exams are essential to monitor long-term health.6. PreventionWhile no guaranteed prevention exists, reducing exposure to FCoV can helpKeep litter boxes clean and minimize overcrowding in multi-cat householdsReduce stress, which can weaken immunityPractice responsible breeding and cattery managementConclusionFIP no longer has to mean despair. With modern scientific treatments such as NeoFipronis® (Pronidesivir), early diagnosis and timely intervention can save lives. Cat owners should learn to recognize the symptoms, seek veterinary help quickly, and explore the available treatment options that bring real hope for their pets.
FIP Prevention & Treatment Guide | From Causes to Cures Explained
IntroductionFeline Infectious Peritonitis (FIP) was once considered one of the deadliest diseases in cats, leaving owners and veterinarians helpless. For decades, it carried an almost certain death sentence. However, the discovery of antiviral drugs such as GS-441524—marketed in some regions as Pronidesivir (NeoFipronis®)—has revolutionized FIP treatment. Today, thousands of cats are surviving and thriving after what was once a hopeless diagnosis. This article provides a comprehensive overview of FIP: what causes it, how it develops, its clinical signs, diagnosis, treatment, and prevention. The goal is to empower cat owners and veterinary professionals with accurate, science-based knowledge to fight FIP effectively.1. What Is FIP?FIP is caused by a mutation of the feline coronavirus (FCoV). While FCoV is common in cat populations and typically harmless—often causing only mild diarrhea—mutations can transform it into a virulent form capable of invading immune cells and spreading throughout the body. This triggers a severe inflammatory response that damages vital organs.1.1 EpidemiologyPrevalence: In multi-cat households, catteries, and shelters, up to 80–90% of cats may be exposed to FCoV.Incidence of FIP: Only 5–10% of cats infected with FCoV develop FIP.Age Risk: FIP is most common in cats under two years of age but can occur at any age.1.2 PathogenesisThe disease develops when mutated FCoV infects macrophages (immune cells). Instead of being destroyed, the virus uses these cells to spread, leading to widespread immune-mediated inflammation.2. Types and Symptoms of FIP2.1 Wet (Effusive) FIPFluid accumulation in the abdomen or chestDistended belly or difficulty breathingFever, weight loss, lethargy2.2 Dry (Non-Effusive) FIPNeurological symptoms: seizures, incoordination, paralysisOcular symptoms: uveitis, retinal lesions, vision lossChronic weight loss, anemia2.3 Mixed FormsSome cats exhibit both wet and dry characteristics, complicating diagnosis.3. Diagnosis3.1 Why FIP Is Hard to DiagnoseNo single test can confirm FIP with 100% certainty. Diagnosis relies on clinical history, supportive evidence, and exclusion of other diseases.3.2 Diagnostic ToolsBloodwork: anemia, elevated globulins, low albumin-to-globulin ratioImaging: X-rays and ultrasound to detect fluid or organ lesionsFluid analysis: straw-colored, viscous fluid with high protein contentPCR testing: detects coronavirus RNA; mutation-specific tests improve accuracyHistopathology: biopsy with immunohistochemistry remains the gold standard4. Treatment4.1 Antiviral TherapyFor decades, supportive care was the only option. Now, nucleoside analogues such as GS-441524 have transformed FIP into a treatable disease by stopping viral replication.4.2 Pronidesivir (NeoFipronis®)Formulation: veterinary oral tabletBenefits: avoids painful injections, convenient, increases owner complianceEfficacy: clinical survival rates exceed 80–90% with proper treatment4.3 Dosage and DurationGeneral guideline: ~15 mg/kg/day orallyNeurological/ocular cases may require higher dosesStandard course: 84 days (12 weeks)Monitoring: routine bloodwork and clinical evaluation4.4 Supportive CareBalanced nutrition with taurine, omega-3s, antioxidantsTreat anemia, dehydration, and secondary infectionsUse anti-inflammatories or appetite stimulants as needed5. Prognosis5.1 Survival RatesWith treatment: over 80% of cats survive, especially wet FIP cases treated earlyWithout treatment: median survival is weeks to months5.2 Long-Term OutlookMany cats achieve full remission. Relapse is possible if treatment is incomplete. Long-term monitoring is recommended.6. Prevention6.1 Reducing FCoV TransmissionKeep litter boxes clean and separatedReduce overcrowding in shelters and catteriesMinimize stress to reduce viral shedding6.2 VaccinationAn intranasal coronavirus vaccine exists, but effectiveness is controversial and not widely recommended.6.3 Responsible Cat CareScreen breeding colonies for high FCoV prevalenceIsolate kittens from infected groupsMaintain good overall health with vaccinations and parasite control7. Living With and Beyond FIP7.1 Owner SupportAn FIP diagnosis is devastating. Owners face emotional, financial, and ethical challenges. Veterinary guidance and community support are essential.7.2 Success StoriesThousands of cats once given no hope are now living healthy lives thanks to GS-441524 treatments. These stories symbolize a turning point in feline medicine.ConclusionFeline Infectious Peritonitis is no longer the untreatable disease it once was. Scientific advances, particularly GS-441524-based oral treatments such as NeoFipronis® (Pronidesivir), have given cats worldwide a new chance at life. The key lies in early diagnosis, appropriate treatment, and ongoing monitoring. With continued research and medical progress, the future for cats with FIP is brighter than ever.

INDICATION AND IMPORTANT SAFETY INFORMATION

WHAT IS NEOFIPRONIS® (Pronidesivir)?

NeoFipronis® (Pronidesivir) is a non-prescription veterinary medicine used for the treatment of feline infectious peritonitis (FIP) in cats. It is indicated for all known forms of FIP, including effusive (wet), non-effusive (dry), neurological, and ocular types.

NeoFipronis® (Pronidesivir) is not approved for use in humans and should only be administered to cats. Use under the guidance of a licensed veterinarian is strongly recommended.

Do not exceed the recommended daily dosage. Overdosing may increase the risk of adverse effects, including liver or kidney strain.

IMPORTANT SAFETY INFORMATION

Before giving NeoFipronis® (Pronidesivir) to your cat, tell your veterinarian if your cat:

  • Is under 4 weeks of age
  • Is pregnant or suspected to be pregnant
  • Has known liver or kidney disease
  • Is receiving other medications, supplements, or undergoing concurrent treatment

Using NeoFipronis® (Pronidesivir) with other medications may alter its effectiveness or increase the risk of interactions. Always inform your veterinarian of any other treatments your cat is receiving.

The standard dose is 15mg/kg orally once daily on an empty stomach. Higher doses (up to 30mg/kg) may be needed for cats with neurological or ocular FIP. Do not change the dosage without veterinary advice.

What are the possible side effects of NeoFipronis® (Pronidesivir) ?

The most commonly observed side effects include vomiting, loss of appetite, lethargy, and mild gastrointestinal discomfort. These effects are generally manageable and reversible. Serious adverse effects are rare when used as directed.

Regular monitoring of your cat’s bloodwork—including liver and kidney function—is recommended during treatment. Discontinue use and contact your veterinarian immediately if serious reactions occur.

Talk to your veterinarian for medical advice about side effects or concerns regarding treatment.

NeoFipronis® (Pronidesivir) is a non-prescription veterinary medicine, and its use under veterinary supervision is strongly recommended.

Keep out of reach of children and animals. Not for human use.

For full prescribing information and product details, please visit:www.pronidesivir.com.