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Appetite Stimulants for Cats With FIP

Updated: Mar 17

When feline companions battling FIP (Feline Infectious Peritonitis) find their appetites waning, it's a concern that demands attention. Lack of interest in food or diminished eating habits can be alarming indicators of underlying health issues. To address this, appetite stimulants emerge as crucial aids in coaxing these cats to eat, aiding their recovery process.

Appetite Stimulants for Cats With FIP
Appetite Stimulants for Cats With FIP

FIP, a viral disease with variable symptoms, can lead to weight loss and reduced appetite. While the disease itself presents challenges, the additional battle against loss of appetite can further weaken affected cats. Here's an exploration into the world of appetite stimulants and their role in assisting cats with FIP on their journey to recovery.

Understanding the Need for Appetite Stimulants for Cats

Cats with FIP often face a complex set of health challenges. A decrease in appetite not only hinders their nutritional intake but also impacts their overall well-being. In severe cases, prolonged lack of eating can lead to hepatic lipidosis, a potentially fatal condition where the body's fat accumulates in the liver. This accentuates the significance of addressing appetite loss promptly.

Prescription Appetite Stimulants

Veterinary professionals play a pivotal role in deciding if an appetite stimulant is necessary for cats with FIP. These stimulants, available through prescription, aim to trigger a renewed interest in food consumption and subsequently improve the cat's nutritional intake.


Originally designed as an antidepressant for humans, mirtazapine enhances serotonin levels in the central nervous system. By reducing serotonin activity in the gastrointestinal tract, it prompts an increase in appetite and decrease in nausea. This effect proves beneficial for sick cats with diminished appetite due to kidney disease, liver disease, or gastrointestinal issues.

An antihistamine with appetite-enhancing properties, cyproheptadine influences serotonin in the brain. This makes it a valuable tool in increasing appetite among cats. Given as a tablet or syrup, cyproheptadine is typically administered twice daily.


Recently introduced, capromorelin holds the distinction of being the first appetite stimulant approved specifically for cats with chronic kidney disease. Mirroring the action of ghrelin, a hunger-inducing hormone, capromorelin stimulates hunger in felines.

Maropitant Citrate

While not an appetite stimulant per se, maropitant citrate effectively combats nausea, a common factor contributing to decreased appetite in cats. By blocking substance P receptors in the brain responsible for vomiting, maropitant citrate alleviates nausea and indirectly enhances appetite.

Natural Appetite Boosters For Cats
Natural Appetite Boosters For Cats

Exploring Natural Appetite Boosters

While prescription appetite stimulants are invaluable tools, some natural methods can also stimulate a cat's interest in food. These methods, while not replacing professional advice, can complement the cat's recovery journey.


This herb from the mint family contains nepetalactone, an oil responsible for various feline behaviors, including heightened activity and relaxation. Catnip can alleviate stress and pain, potentially enhancing appetite. However, its effects vary among cats, and excessive consumption can lead to side effects like vomiting and diarrhea.


A holistic approach, acupuncture can aid cats dealing with pain, intestinal issues, and nausea. Specific acupuncture points can target these concerns, helping restore appetite.

Canned Food and Tempting Treats

Offering palatable canned food, either alone or mixed with kibble, can spark a cat's interest. Various flavors and textures, like shreds or pâté options, can engage the cat's senses. Tempting treats, including tuna, canned chicken, or specialized veterinary diets, may also reignite appetite.

Creating an Appetizing Environment

In addition to these methods, curating a conducive eating environment can play a crucial role. Cats prefer quiet spaces, free from distractions, where they can dine leisurely. Clean food bowls and experimenting with different presentation styles, like plates instead of bowls, can make mealtimes more appealing.

Seeking Veterinary Guidance

Whether through prescription appetite stimulants or natural methods, the ultimate aim is to ensure that cats with FIP receive the necessary nutrients for their recovery journey. Consulting a veterinarian remains vital to assess the cat's condition, determine the need for appetite stimulants, and tailor a holistic approach that considers their individual needs.

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