Feline hepatitis treatments

The most common liver diseases in cats

Strictly speaking, hepatitis is a chronic liver inflammation. Feline hepatitis is however commonly used term to describe number of liver conditions in cats.

Cat with liver disease sleeping peacefully

Feline hepatic lipidosis is the most common type of liver failure in cats, followed by cholangiohepatitis. These two types of hepatitis in cats account for about two-thirds of all feline liver diseases.

Other feline liver diseases include infectious liver diseases like feline infectious peritonitis and toxoplasmosis.

Feline liver cancer and leukaemia that begin in the liver or spread there from other locations can also cause liver insufficiency.

Feline liver failure symptoms can be vague and non-specific. Early symptoms often include loss of appetite, weight loss, diarrhoea, and vomiting. As the feline liver disease progresses the symptoms become more severe, like ascites (build-up of fluid in the peritoneal cavity), jaundice, and seizures.

You should always seek professional advice if your cat is showing any sudden or prevailing abnormal symptoms or behaviour. As they say, it is better safe than sorry.

This section covers the most common feline liver diseases:

Feline hepatic lipidosis

Cholangiohepatitis

Acute hepatic failure in cats

Feline infectious peritonitis

Feline toxoplasmosis

Feline hepatic lipidosis

Hepatic lipidosis is also known as feline fatty liver disease. For some reason hepatic lipidosis is much more common in cats than dogs. Actually, feline hepatic lipidosis is the most common liver disease in cats.

Hepatic lipidosis occurs when triglycerides (the main form of fat in the body) accumulates in the liver cells (hepatocytes). The excessive fat in the liver increases the liver size and causes abnormal bile flow that interferes with the liver function. This affects the liver capacity to filter toxins from the bloodstream.

The exact cause may be unknown but feline fatty liver disease appears to be a type of anorexia that occurs when a cat has a sustained loss of appetite and stops eating. There can be either physiological or pathological reasons for why cats stop eating, i.e. underlying disease or the cat may be stressed, e.g. when left with unfamiliar people or when new pet is introduced to the household.

"Cat's bodies are not designed to convert large stores of fat, so when a cat is in starvation mode, the fat that is released to the liver is not processed efficiently, resulting in a fatty and low functioning liver" (PetMD)

Feline hepatic lipidosis may sound serious and it can be if left untreated. Early intervention is very important.

"Cats who receive early and aggressive nutritional support, such as the placement of feeding tubes, have a 90 percent chance of survival. If the cat does not get this quick, aggressive treatment, the survival rate goes down to 10 to 15 percent" (WebMD)

Treatment for feline hepatic lipidosis contains intravenous (IV) fluid replacement, force feeding and nutritional supplementation (like maxxiSAMe).

Diet tips for pets with liver disease

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Diet plays an important role in maintaining good liver health. It is also important in helping pets to recover from all forms of liver diseases.


Some dietary adjustments and nutritional supplements are generally recommended for pets suffering from liver diseases. These tips contain some general dietary advice for pets with liver disease but always consult with your Vet about the appropriate diet for your pet's specific liver condition.

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Feline cholangiohepatitis

One of the many functions of the liver is to produce bile, but it helps in the digestion of fats. Cholangitis is an inflammation of the bile ducts and when the liver is also inflamed, it is called cholangiohepatitis.

There are three main types of feline cholangitis:

Neutrophilic cholangitis

Is a bacterial infection from the intestine causing inflammation? Neutrophilic cholangitis starts as acute but can become chronic if not treated aggressively early on. Symptoms of acute neutrophilic cholangitis include sudden loss of appetite, vomiting, diarrhoea, fever, abdominal pain, and jaundice.

Treatment with appropriate antibiotics and supportive care is required, but the prognosis is usually good if treatment is started early on. If the disease becomes chronic then treatment will include immunosuppressive drugs (corticosteroids) as well.

Lymphocytic cholangitis

Is a non-infectious inflammatory liver disease that usually causes enlargement of the liver and can cause fluid accumulation in the abdomen (ascites). Treatment consists of anti-inflammatory and immunosuppressive drugs (corticosteroids). The prognosis varies on the severity of the condition so early diagnosis is important. In some cases, prolonged or life-long treatment is required, and relapses can occur.

Liver fluke

Feline liver fluke (Opisthorchis felineus) is a trematode parasite (flatworm) that lives in water and is only found in subtropical and tropical areas. The severity of symptoms depends on the severity of infection. However, most infested cats remain asymptomatic (have the parasite but do not show any symptoms). Treatment can include medication to kill trematode spores and parasitic worms, as well as antibiotics and prednisone.

Supportive care is in all cases necessary as well, i.e. to allow the biliary system and liver to heal, and to support the cat's recovery.

Supportive feline cholangitis care includes vitamin K injections, pain relief, proper nutrition (may require feeding tube), Ursodeoxycholic acid (to improve bile flow and decrease inflammation), as well as SAM-e and other antioxidants supplementation.

Cats playing

Acute hepatic failure in cats

Feline hepatic failure or acute liver failure in cats is a condition characterized by sudden loss of 70% or more of the liver's function due to sudden, massive tissue death in the liver. Necrosis (tissue death) sets in, causing loss of liver enzymes and impaired liver function, ultimately leading to complete liver failure.

Feline liver failure symptoms include the common gastrointestinal symptoms like vomiting, diarrhoea, and blood in the stool. But acute feline hepatitis failure can affect the body through a number of other system failures (PetMD):

- Nervous system: hepatic encephalopathy (brain disease related to liver failure)

- Nepatobiliary: the liver plus the gallbladder; jaundice, necrosis (tissue death) of the liver cells and bile duct cells

- Renal: the tubules of the kidney may be injured from toxins/metabolites

- Immune / Lymphatic / Hemic: imbalances in the blood and lymphaticsystems, may lead to coagulant (clotting) complications

Acute liver failure can be fatal if left untreated. In most cases, hospitalization is required, i.e. for IV fluids, electrolytes, and oxygen, as well as colloid replacements.

Activities have to be restricted for a while to allow time for the liver to regenerate. Vitamins (E and K), antioxidants, and liver supplements for cats (like maxxiSAMe) are also beneficial after acute liver failure.

Feline infectious peritonitis

Grumpy cat face

Feline infectious peritonitis (FIP) is a viral disease caused by certain strains of a virus called feline coronavirus. It affects many systems of the body, including the liver. Feline infectious peritonitis is a progressive disease and is unfortunately in most cases fatal.

Infection with coronavirus is actually quite common in cats but fortunately in most cases it does not cause any health problems. But sometimes the virus changes to the strain of coronavirus that causes FIP.

Most cats that develop feline infectious peritonitis are under two years of age though cats of any age may develop the disease. Cats with weak immune systems (e.g. kittens, cats with leukaemia, geriatric cats) are most likely to develop feline infectious peritonitis.

Currently there is no known cure for feline infectious peritonitis so the disease is in most cases fatal. Treatment therefore consists of supportive care, i.e. good nutrition and medication, like corticosteroids, antibiotics, and cytotoxic drugs. IV fluids, draining accumulated fluids and blood transfusions are also used when applicable.

Even though feline infectious peritonitis is not highly contagious disease, it is important to take care in multi-cat households and avoid overcrowding. Good hygiene is another essential strategy for minimizing the risk of FIP.

"There is only one licensed FIP vaccine available; however, this vaccine has minimal if any effectiveness in preventing FIP, and it is not generally recommended by the American Association of Feline Practitioners Feline Vaccine Advisory Panel" (Cornell University)

Feline toxoplasmosis

Toxoplasmosis is caused by the Toxoplasma gondii parasite that can be found in raw meat and garden soil. Cats usually get toxoplasmosis by eating infected raw meat (e.g. prey) or from rooting in infected soil or ingesting cat faeces.

Most cats become immune to toxoplasmosis through exposure to the parasite. It is most dangerous for kittens that are infected in the womb. Those that survive are more likely to show symptoms than adult cats but symptoms include lack of appetite, fever, laboured breathing, and jaundice.

Antibiotics do not kill the parasite, but they can still be effective treatment and clear up most of the symptoms.

Feline toxoplasmosis can be passed on from cats to human. It is though not common as most people are immune to the disease as they have already been exposed to Toxoplasma.

However, people with weakened immune systems are most of risk of contracting toxoplasmosis. Pregnant women need to take special care around cats as if they become infected the foetus will also become infected and it can have serious consequences for the unborn child (developmental abnormalities, miscarriage or stillbirth).

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Supports your cat where and when they need it most

As cats grow older, they can face many of the same age-related health conditions as humans. Our unique stabilized SAM-e powder boosts liver and cognitive functions while easing joint discomfort and improves mood at the same time.

While maxxiSAMe is hard at work within your beloved cat’s liver and brain, expect marked improvements in attitude, energy, and the behavior of your cat.


The benefits

  • Effective support for liver and cognitive functions while easing joint discomfort
  • Boosted with additional valuable antioxidants and vitamins
  • Easy administration, can be given with food