Pet Health

Your Kitten's Development in the First 6 Weeks

Discover essential milestones in your kitten's first 6 weeks, from sensory development to socialization tips, ensuring a happy and healthy start to life!
Author: Veterinary Team
Dial A Vet
Updated
June 6, 2025
|
Published
June 6, 2025
Newborn kittens cuddled together in a cozy blanket, showcasing their growth and development during the first six weeks.

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Bringing home a kitten is an exciting and joyful experience, but it can also raise many questions, especially during their early weeks of life. Understanding your kitten's development in the first six weeks is key to ensuring they grow up healthy and happy. Let’s explore what happens during this critical period and how you can support your tiny new family member.

🩺 Vet Recommendations

In the first six weeks of life, kittens go through rapid physical and behavioral development. These early stages are vital for their long-term health and social skills. As a pet parent, it’s important to know what milestones to expect and how to provide the right care at the right time.

Here’s a week-by-week breakdown of your kitten’s development:

  • Week 1: Newborn kittens are blind, deaf, and rely entirely on their mother for warmth, nutrition, and care. They should nurse frequently and may sleep up to 90% of the time.
  • Week 2: Their eyes begin to open, and their sense of hearing starts to develop. You’ll notice them becoming slightly more active, although they’ll still depend heavily on their mother.
  • Week 3: At this stage, kittens start to explore their surroundings and may attempt their first wobbly steps. Their ears fully open, and they begin to recognize sounds.
  • Week 4: Socialization begins! Kittens start interacting with their littermates and may even try grooming themselves. Baby teeth start coming in, and they’ll show interest in solid food.
  • Week 5: Playfulness increases, and kittens develop better coordination. They’ll be more curious about their environment and may begin using a litter box.
  • Week 6: By this point, kittens are more independent but still need their mother and siblings for social learning. They should be eating solid food and continuing to grow rapidly.

📋 Care Tips

Providing the right care during these early weeks is essential for your kitten’s well-being. Here are some tips to keep in mind:

  • Nutrition: If the mother cat is present, she will provide all the nutrition the kittens need. If not, you’ll need to bottle-feed them using a kitten milk replacer. Never give cow’s milk, as it can upset their stomach.
  • Warmth: Newborn kittens cannot regulate their body temperature. Use a heating pad on a low setting (covered with a blanket) or a warm water bottle to keep them cozy.
  • Hygiene: Kittens need help staying clean. If the mother isn’t present, gently clean their fur with a damp cloth and stimulate their genitals with a cotton ball to encourage urination and defecation.
  • Socialization: Handle kittens gently starting around Week 3 to help them get used to human interaction. This sets the foundation for a well-adjusted adult cat.
  • Health Monitoring: Watch for signs of illness, such as lethargy, poor weight gain, or diarrhea. If you notice anything unusual, consult a veterinarian immediately.

✅ Do’s and Don’ts

Knowing what to do—and what to avoid—can make a big difference in your kitten’s early development. Here’s a quick guide:

  • Do: Provide a clean, quiet space where the mother cat and kittens can feel safe.
  • Do: Weigh the kittens daily to ensure they are gaining weight consistently.
  • Do: Introduce solid food gradually around Week 4 using a kitten-specific formula or canned food mixed with water.
  • Don’t: Bathe newborn kittens unless absolutely necessary, as they can easily become chilled.
  • Don’t: Separate kittens from their mother or littermates too early. Ideally, they should stay together until at least 8–10 weeks of age.
  • Don’t: Use over-the-counter flea treatments on kittens under 8 weeks old without veterinary guidance.

💡 Expert Advice

Every kitten is unique, and their development can vary slightly. The most important thing is to provide a loving, safe environment and seek veterinary advice if you have any concerns. Early veterinary check-ups are crucial for ensuring your kitten is healthy and on track with vaccinations, deworming, and other preventive care.

If you’re unsure about any aspect of your kitten’s care—whether it’s feeding, socialization, or health concerns—don’t hesitate to reach out to a vet. Early intervention can make all the difference in your kitten’s long-term health and happiness.

FAQs

Q: When should I take my kitten to the vet for the first time?
A: Ideally, kittens should have their first vet visit around 6–8 weeks of age for a general health check, vaccinations, and deworming. If your kitten shows any signs of illness before then, consult a vet immediately.

Q: How do I know if my kitten is gaining enough weight?
A: Healthy kittens should gain about 10–15 grams per day. You can use a small digital scale to track their weight daily. If they aren’t gaining weight or are losing weight, contact your vet.

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References

While every effort is made to ensure the accuracy of this content - including vet review where applicable - this article is for informational purposes only and is not a substitute for professional veterinary advice, diagnosis, or treatment. If your pet is unwell or you are concerned, please speak with a licensed veterinarian. You can book a $49 online consultation with our veterinary team  😄
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