Liver Disease in Seniors: Why Your Dog’s Eyes Are Yellow

The liver is the Wolverine of organs. It is tough, it can regenerate, and it takes a beating.

But in senior dogs, years of processing medications, toxins, and inflammation can finally take their toll. Unlike kidney failure (which is a slow decline), Liver Failure can look very dramatic.

If your dog turns “yellow” or starts pressing their head against the wall, the liver is waving a red flag.

The Symptoms

1. Jaundice (Icterus): The whites of the eyes, the gums, and the inside of the ears turn yellow. This is caused by a buildup of bilirubin.
2. Head Pressing: The dog stands in a corner and presses their forehead against the wall. This is a sign of Hepatic Encephalopathy—toxins (ammonia) building up in the brain because the liver isn’t filtering them.
3. Seizures: Often after eating a high-protein meal.
4. Swollen Belly (Ascites): Fluid leaking into the abdomen because the liver isn’t making enough protein to hold it in the blood vessels.

Causes in Seniors

• Vacuolar Hepatopathy: A benign condition common in old dogs (especially Scotties) where the liver gets “fatty” and swollen.
• Chronic Hepatitis: Long-term inflammation (often copper storage disease).
• Tumors: Liver cancer.

The Treatment: Support & Regenerate

The amazing thing about the liver is that if you remove the insult, it can heal.

1. Denamarin (SAM-e and Silybin)

This is the gold standard liver supplement.

• What it does: SAM-e increases glutathione (detoxifier) levels. Silybin (Milk Thistle) protects the cells.
• The Rule: You must give it on an empty stomach (1 hour before food) or it won’t absorb.
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2. Low-Copper / Liver Diet

Prescription diets (like Hill’s l/d) are formulated with low copper and specialized proteins to reduce the workload on the liver.

3. Lactulose

If the dog is acting confused (Head Pressing), vets prescribe Lactulose. It’s a syrup that traps ammonia in the gut and makes them poop it out, clearing the brain fog.

Conclusion

A diagnosis of “Elevated Liver Enzymes” on a senior blood panel is common and often manageable. But if you see Yellow, it is an emergency. With aggressive support (IV fluids and Denamarin), many dogs can recover from a liver crisis and keep going.

Disclaimer: This content is for informational purposes only. Jaundice can also be caused by Red Blood Cell destruction (IMHA). Veterinary diagnosis is critical.

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