New Puppy or Kitten? Your First-Week Checklist From a Vet
Bringing home a new puppy or kitten is exciting — and overwhelming. The first seven days set the tone for sleep habits, house training, socialization, and trust. This vet-written checklist walks you through each day so nothing important gets missed.
Before They Come Home: Set Up the Space
- One quiet "safe room" with food, water, bed and litter or potty pads.
- Baby gates to limit roaming until house training sticks.
- Remove choking hazards: cords, small toys, houseplants toxic to pets.
- Stock 2 weeks of the same food the breeder or shelter was feeding.
- Book a wellness vet visit for day 3–5.
Day 1: Decompression, Not Celebration
Resist the urge to invite friends over. Let the puppy or kitten explore the safe room at their own pace. Offer water and small meals. For puppies, take them outside every 1–2 hours. For kittens, show them the litter box gently and walk away.
Day 2: Establish the Schedule
Animals thrive on predictability. Lock in feeding times, potty breaks, play, and sleep. Puppies under 4 months need a potty break every 2 waking hours; kittens need 4–5 small meals a day.
Day 3–5: First Vet Visit
Even if vaccines were done at the breeder, schedule a baseline visit. Your vet will:
- Verify weight, heart, hips and overall conformation
- Check for parasites and start preventatives
- Confirm or schedule the next vaccine in the series
- Microchip if not already done
Per AAHA's vaccination guidelines, puppies need a vaccine series every 3–4 weeks until 16 weeks; kittens follow a similar schedule.
Day 4–6: Gentle Handling & Socialization
Touch ears, paws, mouth and tail every day, paired with treats. Introduce them to one or two calm visitors. For puppies, the socialization window closes at 16 weeks — start now.
Day 7: Reflect & Adjust
- Are they eating and pooping normally?
- Sleeping through most of the night?
- Showing curiosity instead of constant fear?
If anything seems off — call your vet. Early intervention is cheaper and kinder than waiting.
Feeding Quick Reference
- Puppy 8–12 wks: 4 meals/day, large-breed formula if applicable
- Puppy 3–6 mo: 3 meals/day
- Kitten 8–16 wks: 4 small meals/day, kitten-formula wet + dry
- Always transition foods over 7 days to avoid GI upset.
For breed-specific feeding charts, see our health & nutrition hub.
Key Takeaways
- Decompression beats celebration in the first 48 hours.
- Schedule your first vet visit within 5 days.
- Predictable routines = confident pets.
- Socialization starts immediately — not after vaccines.
FAQ
Should my new puppy sleep in my bed?
Use a crate beside the bed for the first weeks. It speeds up house training and prevents separation anxiety.
How long until my kitten uses the litter box reliably?
Most kittens self-train within 2–3 days if the box is low-sided and in a quiet location.
When can I take my puppy on walks?
Around 1–2 weeks after the second vaccine round; carry them in public areas before then for safe socialization.
What's the most common first-week mistake?
Over-stimulation. Too many guests, loud noises and long play sessions exhaust new pets and trigger illness.
Conclusion
The first week is short, but its impact lasts a lifetime. Follow this checklist, lean on your vet, and you'll set up a calm, well-adjusted companion. Browse more puppy & kitten care guides to keep building good habits.