10 Warning Signs of Kitten Health Problems


Kittens may be tiny bundles of energy and curiosity, but they’re also vulnerable to a range of health issues—many of which can be hard to spot. Because kittens are instinctively good at hiding discomfort, it’s essential to monitor them closely for early signs of illness. Catching problems early can make all the difference in ensuring your kitten grows into a healthy, happy adult cat.

Creating a monthly health checklist is a great way to track your kitten’s condition and spot changes over time. If you notice anything unusual, don’t hesitate to contact your veterinarian.

Key Warning Signs to Watch For

1. General Lethargy

Kittens are naturally playful and curious. If your kitten suddenly becomes sluggish or uninterested in toys, food, or interaction, it could be a sign of illness. Lethargy lasting more than a day warrants a vet visit.

2. Persistent Vomiting or Gagging

Occasional vomiting (like hairballs) can be normal, but frequent vomiting or gagging may indicate digestive issues, infections, or other underlying problems. Seek veterinary care if vomiting persists.

3. Refusal to Eat for Over 24 Hours

Kittens typically have strong appetites. Skipping meals for more than a day can lead to serious complications, especially in young kittens. Prompt veterinary attention is essential.

4. Diarrhea

Loose stools lasting longer than 48 hours can cause dehydration and nutrient loss. Bring a stool sample to your vet to help diagnose the cause—whether it’s dietary, parasitic, or viral.

5. Difficulty Urinating

Straining, crying during urination, or blood in the urine are red flags. These symptoms may point to urinary tract infections or blockages, which can be life-threatening if untreated.

6. Unexplained Weight Loss

If your kitten is losing weight despite eating normally, or seems thinner over time, it could signal digestive issues, parasites, or metabolic disorders. A vet can help identify the cause.

7. Excessive Thirst or Urination

Increased drinking or frequent urination may be signs of diabetes, kidney issues, or other systemic conditions. Monitor water intake and litter box habits closely.

8. Itchy or Flaking Skin

Healthy kitten skin should be smooth and free of irritation. Excessive scratching, dandruff, or bald patches may indicate allergies, mites, or skin infections.

9. Red or Swollen Gums

Gums should be pink and firm. Redness, swelling, or bad breath can be early signs of gum disease or dental issues. Early treatment helps prevent long-term damage.

10. Runny Eyes or Nose

Sneezing, watery eyes, or nasal discharge may point to respiratory infections—common in young kittens. These symptoms should be evaluated by a vet, especially if they worsen or persist.

Proactive Kitten Care Tips

• Schedule regular vet check-ups for vaccinations, parasite control, and growth monitoring.

• Keep a health journal to track appetite, weight, litter box habits, and behaviour changes.

• Create a safe, low-stress environment to support your kitten’s immune system and emotional well-being.

• Use age-appropriate food and grooming products to support healthy development.

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Have any more questions?

Our Purina PetCare Advice Team is here to help! Whether you have questions about your kitten's nutrition, behavior, or general well-being, our dedicated pet experts are ready to provide expert advice and guidance. Get in touch with us for the support you need to give your cat the best care possible.

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