Hepatic lipidosis (fatty liver disease) is the most common liver disease in cats — treatment with hospitalization and feeding tube costs $1,500-$4,000. It typically develops when an overweight cat stops eating for just 2-3 days. The liver becomes overwhelmed with fat and shuts down. With aggressive treatment, most cats can recover. Without it, fatty liver is fatal.
Hepatic lipidosis (fatty liver) is the most common form — it develops when a cat stops eating and the body mobilizes fat stores to the liver faster than it can process them. Overweight cats are most vulnerable. Other causes include cholangitis (bile duct inflammation), liver cancer, toxic exposure, and infections. Fatty liver often occurs secondary to another illness that causes appetite loss. 2-3 days without food can trigger fatty liver
Complete loss of appetite lasting more than 2 days. Jaundice — yellowing of the skin, gums, and whites of the eyes. Vomiting. Lethargy and weakness. Weight loss. Drooling. In severe cases, hepatic encephalopathy — disorientation, head pressing, or seizures from toxin buildup. Any cat that stops eating for more than 48 hours needs veterinary attention. Jaundice is a critical warning sign
Blood work ($100-$200) reveals elevated liver enzymes and bilirubin levels. Abdominal ultrasound ($300-$500) shows liver changes and rules out other causes. Liver biopsy ($300-$500) may be needed for definitive diagnosis, though it's sometimes done during feeding tube placement. Clotting tests ($50-$100) assess bleeding risk. Average $300-$800
Hospitalization with IV fluids, anti-nausea medication, and nutritional support is essential. Most cats require a feeding tube (esophagostomy tube) for 4-8 weeks to ensure adequate nutrition. Tube placement costs $300-$600. Hospital stay typically 3-7 days ($1,000-$3,000). Home tube feeding ($200-$500 for supplies). Liver support supplements like SAMe ($30-$50/month). Total treatment $1,500-$4,000
Diagnosis + hospitalization + feeding tube + home care. Extended hospital stays push costs toward $4,000-$5,000.
With aggressive treatment, 60-80% of cats recover fully. Feeding tube support lasts 4-8 weeks. Full recovery takes 3-6 weeks.
Never let a cat go more than 48 hours without eating. Manage weight gradually — crash diets are dangerous. Monitor appetite closely.
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Diagnosis + hospitalization + feeding tube + home care.
Most comprehensive pet insurance policies cover liver disease diagnosis, hospitalization, feeding tube placement, and medications. Standard 14-day illness waiting period applies. Blood work, ultrasound, hospital stays, and surgical feeding tube placement are typically covered.
If your cat has documented obesity in vet records before enrollment, some insurers may argue that fatty liver disease is a pre-existing condition related to the obesity. This is a gray area — not all insurers take this position, but it's worth checking. Addressing weight management before enrollment helps.
Hospital stays for liver disease run $1,000-$3,000 for 3-7 days. This is where insurance provides the most value. Feeding tube placement, IV fluids, medications, and monitoring are significant expenses that insurance typically covers fully (minus deductible and copay).
Fatty liver often develops because another illness caused the cat to stop eating. If the underlying condition is pre-existing, the insurer may deny the liver disease claim as related. For example, if documented dental disease caused appetite loss leading to fatty liver, coverage may be disputed.
🇺🇸 US Pet Insurance Guide
Our guide shows exactly what to check in the fine print — before your first claim gets denied.
Insurance GuideBreeds Most Affected by Liver Disease
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