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What is Feline Infectious Peritonitis (FIP)?

Feline infectious peritonitis (FIP) is a viral disease that occurs worldwide in cats. It is caused by a type of virus called a coronavirus, which tends to attack the cells of the intestinal wall. 

What are the clinical symptoms of cat FIP?

FIP displays in a “wet” form and a “dry” form. Signs of both forms include fever that doesn’t respond to antibiotics, anorexia, weight loss and lethargy. In addition, the wet form of FIP is most known for the accrual of fluid in the abdominal cavity, the chest cavity, or both. Cats with fluid in the chest experience labored breathing. Cats with fluid in the abdomen show increasing, nonpainful abdominal distension.

 In the dry form of FIP, small buildups of inflammatory cells, or granulomas, form in various organs, and clinical signs depend on which organ is affected. The eyes and the neurologic system are frequently affected, as well.


Effusive (wet) FIP

The hallmark clinical sign of effusive FIP is the accumulation of fluid within the abdomen or chest, which can cause breathing difficulties. Other symptoms include lack of appetite, fever, weight loss, jaundice and diarrhea.

Non-effusive (dry) FIP

Dry FIP will also present with lack of appetite, fever, jaundice, diarrhea, and weight loss, but there will not be an accumulation of fluid. Typically a cat with dry FIP will show ocular or neurological signs.


There are no symptoms unique to FIP. However, in either form of FIP, cats commonly show vague symptoms such as: loss of appetite, weight loss, lethargy, fluctuating fever that is not responsive to antibiotics


Loss of appetite, Weight loss, Lethargy, Chest increased/tachypneic, Anemia, Fluctuating fever


Loss of appetite, Significant Weight loss, Lethargy, Chest increased/tachypneic, Malnutrition、Anemia, Jaundice, Fluctuating fever


Loss of appetite, Significant Skinny, Lethargy, Chest increased/tachypneic, Malnutrition、Anemia, Jaundice, Fluctuating fever, Poor coordination, Inflammation of the eyes, Wobbliness

How is FIP Diagnosed?

Diagnosing FIP can be difficult. Despite the claims made by some, there is currently no test that can distinguish between the harmless intestinal coronavirus and the deadly FIP coronavirus. If a cat has what appears to be the wet form of the disease, laboratory analysis of some of the fluid can support a diagnosis of FIP.

What is MUTIAN?

Mutian is a dietary supplement exclusively designed for cats with Feline Infectious Peritonitis (FIP), by boosting their immune system and overall well-being. 

84 Days Service Guarantee by MUTIAN

If your cat is not FIP free after 84 days of treatment, we will supply MUTIAN supplements up to 180 days at no cost.

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