A cat that stops eating needs help with more than the empty food bowl. Hepatic lipidosis, also called fatty liver disease, can develop when poor intake causes fat to accumulate in the liver. It is serious, but treatment can be successful.
If your cat is refusing food, contact your veterinary clinic promptly rather than waiting for weight loss or yellow gums. A kitten or a cat already unwell needs particularly early advice.
Quick Answer
Hepatic lipidosis is a build-up of fat in liver cells that interferes with liver function. Treatment centers on restoring nutrition and addressing the reason the cat stopped eating. Many affected cats need hospital care followed by a veterinarian-directed feeding plan at home.
When is this an emergency?
- Emergency care now: collapse, seizures, inability to stand or breathing difficulty.
- Urgent veterinary assessment: food refusal with yellow skin or gums, marked weakness or repeated vomiting.
- Call promptly even without those signs: a clear drop in food intake. Do not use a two-day waiting rule, or wait until your cat looks thin.
The appetite change does not prove fatty liver disease, but it is a reason to investigate. Cats can become seriously unwell before an owner sees dramatic weight loss.
What causes fatty liver disease?
Hepatic lipidosis comes from fat accumulating in liver cells, overwhelming their ability to function. It is often triggered when a cat stops eating, especially in overweight cats.
Being overweight increases the risk, but a lean cat is not protected. Poor intake may follow another illness or a stressful change; treating the liver problem without finding that trigger leaves an important part of the problem unresolved.
- Pancreatitis, diabetes, kidney or liver disease, cancer and intestinal disease.
- Stress or environmental changes, including moving, boarding or a new pet.
- Rapid intentional weight loss or an unsuccessful diet change.
Which signs should you watch for?
- Eating little or nothing, sometimes with drooling or turning away from food.
- Weight loss, lethargy, weakness or vomiting.
- Jaundice: a yellow tinge to the ears, skin or gums.
Jaundice is not a diagnosis on its own. The vet needs to determine whether hepatic lipidosis or another illness explains the signs.
How do vets diagnose hepatic lipidosis?
- History and examination: appetite, recent weight change, existing illness, medicines and signs such as jaundice.
- Blood and urine tests: assess liver-related changes and look for other illness.
- Imaging: abdominal ultrasound can help investigate the liver and nearby organs.
- Liver sampling: an aspirate or biopsy may be needed to confirm fat accumulation.
- Underlying-cause workup: investigate why eating stopped, rather than assuming stress explains everything.
Why is a feeding tube often needed?
Cats often begin treatment in hospital for stabilization, fluids, correction of imbalances and nutritional support. Once stable, recovery may continue at home with tube feedings, prescribed medication and regular monitoring.
A feeding tube supplies food without relying on a sick cat to eat enough voluntarily. Nose-to-esophagus or nose-to-stomach tubes differ from tubes placed through the neck or abdominal wall. Your vet chooses the route for the cat’s condition and expected needs; these are not tubes to place yourself.
Do not force food or water into a resisting cat’s mouth. If swallowing is impaired, food can enter the airway. Ask the team to demonstrate the feeding method and provide a written plan tailored to your cat.
What should the home-care plan include?
- The exact diet, preparation, meal amounts and feeding schedule.
- Instructions for prescribed medicines, flushing and tube-site care.
- A record of food eaten voluntarily as well as food given through the tube.
- A clear contact plan if feeds are not tolerated or you cannot follow the instructions.
If the tube appears displaced, becomes blocked or the insertion site looks infected, contact the treating clinic before trying to use or repair it. A general online feeding formula cannot replace the discharge plan.
Frequent follow-ups monitor weight, liver values and hydration. The vet also checks whether the underlying condition is improving.
How long does recovery take?
Nutritional support often continues for weeks. The important milestones are sustained adequate eating, improving clinical condition and follow-up results, not reaching a preset date. The treating vet decides when the tube is no longer needed and removes it.
Survival depends also on managing any underlying conditions, such as pancreatitis or cancer. Prompt treatment offers a chance of recovery, but an individual outcome cannot be promised from a general percentage.
Common mistakes to avoid
- Waiting for jaundice or obvious weight loss before calling.
- Assuming an overweight cat can safely go without food.
- Force-feeding instead of arranging a suitable nutrition plan.
- Changing or stopping tube feeds without discussing actual food intake.
Can hepatic lipidosis be prevented?
- Maintain a healthy weight and avoid crash diets.
- Monitor appetite, especially during illness or stress.
- Keep routines consistent and make changes gradually.
- Treat underlying disease and attend planned follow-ups.
Frequently asked questions
Can a slim cat get hepatic lipidosis?
Yes. Excess weight raises risk, but cats with other body conditions can develop the disease too.
Can my cat eat with a feeding tube in place?
Often, yes. Ask your vet when to offer food and how to record it; do not reduce tube feeds just because your cat takes a few bites.
Is an appetite stimulant enough?
Not if the cat still fails to take in adequate nutrition. The vet needs to assess the cause of poor intake and whether assisted feeding is required.
Should I wait until tomorrow if my cat has stopped eating?
Call the clinic for advice now. The urgency depends on age, other illness and accompanying signs, not just how many hours have passed.
The next step
Track daily food intake and act when it drops. If hepatic lipidosis is diagnosed, follow the individual feeding plan and keep recheck appointments. Restoring nutrition and treating the underlying problem belong together.
Sources and further reading
- Cornell Feline Health Center: hepatic lipidosis
- Cornell Feline Health Center: appetite loss
- Veterinary Specialty Center: fatty liver disease
- VCA: feeding tubes in cats
- VCA: critical-care nutrition for cats
For more cat-care reading, explore ASK A VET™.
This article is general veterinary education and does not diagnose or treat an individual animal. Always confirm medication names, doses and interactions with the veterinarian who knows your pet.
If your animal is struggling to breathe, collapsed, bleeding heavily, seizing, or has eaten something toxic, contact your vet or the nearest emergency clinic now.
Animal Poisons Helpline (AU) 1300 869 738 · Animal Poisons Helpline (NZ) 0800 869 738 · ASPCA Animal Poison Control (US) (888) 426-4435
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Ask A Vet articles are written by Dr Duncan Houston BVSc, a practising veterinarian, unless another author is named in the byline.




