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Understanding the Symptoms of FIP in Cats

Updated: Nov 15, 2023

Feline Infectious Peritonitis (FIP) is a deadly viral disease in cats caused by Feline Coronavirus (FCoV). As a responsible cat owner, it is important to be aware of the symptoms of FIP so you can get your furry friend the medical attention they need. In this article, we'll take a closer look at the common signs of FIP.

High Body Temperature

Cats with FIP may develop a high fever, with temperatures reaching up to 40 degrees Celsius. This is often caused by inflammation in the cat's internal organs, including the lungs, kidneys, and liver. If you notice that your cat has had a high temperature for a few days, please take them to the vet for a thorough check-up.

Weight Loss

Significant weight loss is another common symptom of FIP in cats. This occurs because the cat's body is unable to absorb nutrients from their food properly. FIP can also cause a loss of appetite and nausea in cats, which can contribute to weight loss.

Joint Stiffness and Impaired Balance

Neurological FIP can cause stiffness in the cat's joints, making it difficult for them to move around. Additionally, FIP can affect the cat's balance and coordination, causing ataxic movement in the cat.

Breathing Problems

FIP can cause fluid to accumulate in the cat's lungs or abdominal area, making it difficult for them to breathe properly. This can result in rapid breathing or signs of labored breathing. If your cat is showing signs of breathing problems, it's important to seek medical attention immediately.

Abdominal Swelling

Cats with wet FIP may develop abdominal swelling due to fluid accumulation. This can make the cat appear bloated or uncomfortable.

Ocular Problems

FIP can cause inflammation in the cat's eyes, leading to cloudiness or hemorrhage in their eyes. This condition is known as ocular FIP.


FIP can cause inflammation in the liver that leads to jaundice (yellowing of cat). We can observe this on the cat where body parts such as the gums, ears, nose, palms, and eyeballs turn yellowish.


FIP can cause non regenerative anemia in cats. Cats with anemia will appear pale and dull. If your cat is showing signs of anemia, it's important to seek medical attention immediately.

If you notice any of the above symptoms in your cat, it's crucial to take them to the vet for a thorough examination.

FIP is a serious disease, but early detection can help improve the chances of a positive outcome. If you have any questions or concerns about FIP and its treatment, please do not hesitate to reach out to us at WhatsApp, LINE or Facebook, Instagram.

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