How to Spot Kidney Disease Early in Cats
Meta Title: How to Spot Kidney Disease in Cats | Early Signs & What to Do
Meta Description: Learn how to recognise early signs of kidney disease in cats, like vomiting or loss of appetite. Spotting it early can help your cat live a longer, healthier life.
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Kidney disease is one of the most common conditions in older cats, with studies showing that more than 30% of cats over the age of 10 are affected. However, it can also appear in younger cats. Detecting kidney disease early can improve your cat’s quality of life and slow the progression of the condition. In this article, we’ll look at how to recognise signs of kidney issues in cats and what you can do if you notice any symptoms.
Why Does Kidney Disease Happen in Cats?
The kidneys filter toxins from the blood, balance fluids and electrolytes, and produce hormones like erythropoietin and renin. When the kidneys fail, toxins build up, leading to serious health problems. Chronic kidney disease usually develops slowly and is most common in cats aged 7 to 10 years and older.
Early Signs of Kidney Problems in Cats
Early detection can be tricky since symptoms develop gradually. Keep an eye out for the following:
• Increased thirst and urination: You may notice your cat drinking more and using the litter box more often.
• Weight loss: Even if your cat eats normally, gradual weight loss may occur.
• Loss of appetite: Refusing food or eating less than usual is an early red flag.
• Vomiting: Regular or repeated vomiting may indicate kidney problems.
• Bad breath: A strong ammonia-like odour may signal toxin build-up in the body.
• Lethargy and weakness: Your cat may sleep more and lose interest in play.
• Poor coat condition: A dull or matted coat can point to internal health issues.
When Should You See a Vet?
If your cat shows any of the above symptoms—especially if they’re over 7 years old—visit a vet. A simple blood and urine test can diagnose chronic kidney disease. Blood results often show elevated creatinine and BUN (blood urea nitrogen), and the urine is usually more diluted.
Reliable sources for more information:
• Cornell Feline Health Center – www.vet.cornell.edu/departments-centers-and-institutes/cornell-feline-health-center
• IRIS Kidney Guidelines – www.iris-kidney.com
What Can You Do at Home if Caught Early?
If your cat is diagnosed with early-stage kidney disease, here are ways to support them:
Switch to a Kidney-Friendly Diet
Look for food that’s low in protein, phosphorus, and sodium. These help reduce kidney workload.
Encourage Water Intake
Always offer clean water. Try water fountains, broth, or wet food to boost hydration.
Monitor Symptoms
Track changes in appetite, vomiting, and energy levels in a notebook.
Follow Vet Prescriptions or Supplements
Your vet may recommend phosphate binders or B-vitamin supplements to help with appetite and energy.
For more on feeding cats with kidney disease, read our guide:
Best Cat Food for Kidney Disease in Jordan – yourdomain.com/best-cat-food-kidney-disease-jordan
Don’t Ignore the Small Signs
Kidney disease can go unnoticed for a long time. If your cat seems “a bit off”—eating less, hiding more, or losing weight—it’s worth seeing a vet. Early diagnosis can give your cat extra years of comfort and good health.
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