Dogs usually make firm friends easily. In fact, they’ll probably jump at the chance to play with any animal – big or small! As with any new experience for your pup, it’s important to introduce them to other pets carefully in order to give their friendship the best possible start.

"While dogs and cats can often get on well together, some pets are best kept away from dogs such as rabbits, guinea pigs, hamsters and reptiles, for example.”


Introducing a new puppy to your adult dog

​Your existing dog is probably used to having the house to themselves, so it can come as a bit of a shock to them to have to share for the first time! Try these tips to make introducing a new pup to your adult dog as smooth as possible.

  • Before your new puppy comes home, make sure your existing dog's vaccinations are fully up to date, so that everyone stays happy and healthy.
  • Find a neutral place for the dogs to meet – some place where your existing dog won’t have any territorial issues. It’s a good idea to introduce them outdoors, but if your pup hasn’t yet completed all their vaccinations, stick to your garden.
  • Once your puppy’s had his first vaccination (at least), and your vet has said it’s safe to do so, take your puppy into the garden and let him have a good wander round to get used to all the exciting new sights and scents.
  • Then put your puppy on a lead and bring out your adult dog, also safely restrained on a lead. If your existing dog is large or excitable, it can be a good idea for them to wear a head-collar to prevent any sudden lunges when saying hello. They’re bound to be curious about one another, so let them move towards each other, keeping their leads loose. Reassure them by calmly telling them both that they are good dogs and ignore any whining or barking.
  • Reward calm, restrained interactions with gentle strokes, calm words and perhaps some small treats. If either dog gets over-excited, it’s important that you stay calm yourself. Wait for them to calm down or separate them for a while before trying again.
  • Keep the introductions short, but frequent, and they should soon become the best of friends.
  • Allow your adult dog to ‘invite’ the puppy indoors. Keep both dogs on a lead until the pup has had a good look around and your existing dog has calmly accepted him without reacting. Keep rewarding acceptance and tolerance with calm praise, and gentle strokes for both your dog and your pup.


Puppy sitting behind adult dog in forrest

Introducing another adult dog to your existing dog

Black labrador and crossbreed dog standing together

​If you're introducing a fully-grown dog to your existing dog, don’t be surprised if they don’t make friends straight away. Don’t be disheartened though - if you let them get to know each other gradually on quiet neutral ground away from home (ideally in a place that is unfamiliar to either of them), there’s usually no reason why they won’t get on and become firm friends.

  • If you’re introducing another dog, keep both dogs on leads - and possibly head-collars if they are large, nervous or excitable - and allow them to investigate each other.
  • If they start to growl or bark at each other, separate them straight away and wait until they calm down before trying again.
  • If, after many such attempts, they still refuse to get along, you could contact a professional behaviorist.


Introducing your new dog to your cat or kitten

The most important consideration when introducing a puppy to a cat is safety. Dogs can get very excited around cats, so it can take time for them to learn to get along! If your dog continues to be excitable or aggressive around your cat after several introduction attempts, seek professional advice from your vet and ask if a specialist canine behaviorist could help them learn to live with each other.

If your new puppy or dog is relaxed and comfortable in their new home, it’s time to introduce them to your existing cat. You’ll need to be patient and give your cat time to get used to their new housemate, particularly if your cat hasn’t lived with a friendly dog before! It’s not unusual for cats to react to the new dog by hissing, swatting, or trying to escape by running or hiding.

  • Introducing a puppy to a cat can be a bit daunting, so your job is to help both pets relax in each other’s company. Make sure your cat or kitten is in a safe area, where the dog can’t reach them, and keep your new dog restrained on a lead.
  • Reward your dog when they’re calm and, even if they bark excitedly, stay calm yourself.
  • After five minutes or so, take the dog away and let your cat leave the room for a break.
  • Introduce them in short sessions of a few minutes each time, in different rooms, several times a day so that they get used to seeing and smelling each other throughout the house.
  • Once they’re calm and relaxed, allow your cat to walk out of his safe area but keep your dog on the lead. Allow them to investigate one another and make sure you give them lots of love and affection if they tolerate each other! Remember to stay calm yourself if either of them shows they’re unhappy. Do this frequently in as many rooms in the house as possible.
  • Supervise them until you know they can get along and only let your dog off the lead once you’re confident they won’t react or try to chase your cat. Make sure your cat has access to areas out of the dog’s reach and can escape if they’re feeling unhappy.
  • Separate cats and dogs at mealtimes so both can eat in comfort without the risk of each other stealing food.
  • Put your cat’s litter tray somewhere that’s easy for them to access, but away from the reach of your dog. Otherwise, your dog might follow his scavenging instincts and think it’s a good idea to eat the contents!
  • Make sure your cat gets plenty of opportunity to chase and stalk moving toys so your dog can relax without fear of being pounced on by a stalking cat.


Don’t worry if your dog and cat don’t become best friends. Cats are often naturally independent and may just ignore your dog, even if they’ve accepted their presence. With time, though, most cats and dogs that live together do become friendly, even if it is very much on the cat’s terms! As long as they each have their own space, with dog-free zones for the cat, everything should work out fine.

Cat and dog sitting down together in grass
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If you’d like more information on if you should get a cat or a dog, or have any other queries, contact our PETCARE EXPERT TEAM at 1800 88 7462