Question · Puppy
How do I introduce my puppy to my cat?
The short answer
Plan the first meeting around your cat’s safety. Give the cat a puppy-free part of the home with food, water, litter tray and high places. Swap smells first, then let them see each other through a baby gate while your puppy is on a lead and gets treats for looking calmly or turning away. Never let the puppy chase the cat, not even in play. Kroki, a reward-based training app for puppies and dogs, teaches Leave it and short lessons on body language.
How to do it, step by step
Set up the cat’s safe zone before the puppy arrives
Choose a room or floor the puppy cannot reach, with the cat’s food, water, litter tray, bed and scratching post. Add shelves, cat trees or a baby gate the cat can jump over, so it always has an escape route upwards.
Swap smells for a few days
Rub a soft cloth on the puppy’s cheeks and leave it near the cat’s food, and do the same the other way round. Let each animal sniff the other’s blanket in peace. Smell first, faces later.
First looks through a baby gate
With your puppy on a harness and lead, let it see the cat through a gate from a few metres away. Each time it looks at the cat and then away, or back at you, say “Top!” and give a treat. Keep it to a minute or two.
Let the cat decide how close
Over days or weeks, open the gate while your puppy is on a lead or behind a pen. The cat may come closer, sniff or leave; all of that is fine. Your puppy’s job is to stay calm and earn treats for it.
Turn chasing into a non-event
If your puppy stares, wiggles or lunges, calmly move further away and make the next session shorter. Practise Leave it with toys first, then near the cat. A puppy that is allowed to chase once may want to repeat it.
Supervise or separate
Until both animals are relaxed together for weeks, separate them whenever you cannot watch, for example with a baby gate or a closed door. Keep the cat’s food and litter tray out of puppy reach for good.
Introducing a grown dog instead?
An adult or rescue dog may have a history of chasing cats or a strong hunting drive, and you may not know how it reacts. Then the steps take longer, a muzzle may be needed for safety, and some signs mean you need a behaviour professional first. The page for grown dogs explains that route.
What research says about dogs and cats at home
Researchers in Israel combined an owner survey with observations in homes where a dog and a cat lived together. Both species were able to build a fairly friendly relationship, and gender made little difference. Adopting the cat before the dog appeared to help (Feuerstein and Terkel 2008), which is good news if your cat was there first.
Age at the first meeting also mattered. A first encounter early in life helped, up to about six months in cats and up to a year in dogs, and most of the dogs and cats understood each other’s body language even where the same signal means something different in each species. The earlier they met, the better that understanding was (Feuerstein and Terkel 2008). A puppy is in a good position, as long as the meetings stay calm and safe.
Telling a puppy off for lunging at the cat may stop it for a moment, but it adds stress to the whole situation, and the cat is part of it. A review found that aversive methods can harm dogs’ physical and mental health, with no evidence that they work better than rewards (Ziv 2017). Rewarding calm looks and distance teaches the puppy what to do instead.
Body language to watch
- A relaxed puppy: soft, wiggly body, looks at the cat and then away, sniffs the floor.
- A puppy getting too excited: stares, freezes, crouches low, whines or bounces. Add distance and give a break.
- A relaxed cat: slow blinks, tail up, walks past or settles nearby.
- A worried cat: flattened ears, puffed tail, hissing, hiding or not eating. Slow down and give the cat more space.
Common mistakes
- Holding the cat in your arms in front of the puppy. A trapped cat may panic and scratch, and both learn the wrong lesson.
- Letting them “sort it out”. A puppy can learn to chase, and a cat can be injured or stop using the home.
- Leaving the cat’s food or litter tray where the puppy can get to it. Cat food is too rich for puppies, and many love to eat cat poo.
- Rushing because they looked fine on day one. Calm needs to hold over many meetings.
When to see a professional
Some situations need help, for the cat as much as for the puppy:
your cat hides for days, stops eating, over-grooms or pees outside the litter tray after the puppy arrives
Have a vet take a lookyour puppy stalks, fixates on or repeatedly lunges at the cat, or either animal has been hurt
Get support from professionals
The help pages list services in Germany, Austria and Switzerland only. Elsewhere, ask your vet practice who they recommend near you.
Frequently asked questions
How long does it take for a puppy and a cat to get along?
Some pairs are relaxed within a few weeks, others need months, and a few only ever tolerate each other. Let the more worried animal set the pace.
Is it normal for my cat to hiss at the new puppy?
Yes, hissing is a common way for a cat to ask for distance. Give the cat more space and height, and keep the puppy from following it.
Should I let my puppy play with my cat?
Only if the cat clearly joins in and can leave at any time. Rough chasing, pouncing or pinning the cat down should be stopped calmly, because it can scare or hurt the cat.
Can a puppy and an old cat live together?
Often yes, but a senior cat needs extra peace, easy-to-reach high places and a quiet area the puppy never enters. Keep meetings short and on the cat’s terms.
My puppy keeps eating from the cat’s bowl. What should I do?
Feed the cat somewhere high or behind a gate the puppy cannot pass. Cat food is made for cats and is not a good diet for a growing puppy.
Does my puppy need to be on a lead around the cat?
In the early weeks, yes: a harness and lead or a pen keeps the puppy from chasing. Drop the lead only once both are calm together over many meetings.
Sources
- Feuerstein & Terkel (2008): Interrelationships of dogs (Canis familiaris) and cats (Felis catus L.) living under the same roof. Applied Animal Behaviour Science 113, opens in a new tabaccessed on 1 November 2026
- Ziv (2017): The effects of using aversive training methods in dogs, a review. Journal of Veterinary Behavior 19, opens in a new tabaccessed on 1 November 2026