How to Introduce Dogs Safely at Home and on Walks

By Dr Duncan Houston

A good introduction gives both dogs room to choose. Being close together is not the same as feeling safe together.

Quick Answer

Start in a quiet suitable place with one capable handler per dog and enough distance for relaxed behaviour. Gradually allow brief interaction only when both dogs are comfortable, then provide breaks. Keep food, valued toys and resting places separate at home, and never leave unfamiliar dogs together unsupervised.

Before the first meeting

Consider health, size, play style and any history of chasing, guarding or aggression. An older painful dog may not tolerate a puppy's persistence. A dog with a significant bite history needs a professional introduction plan, not an improvised park meeting.

Use secure well-fitting equipment and ordinary leads. Choose space away from crowded entrances and avoid forcing nose-to-nose contact on tight leads.

A gradual introduction

1. Walk in the same direction at a distance where both dogs can look away and respond to their handlers.
2. Reduce distance only if their bodies remain loose. Move farther apart if either dog stares, lunges or cannot disengage.
3. Allow a brief curved approach and sniff where appropriate, then calmly call apart for a break.
4. Repeat only while both dogs willingly re-engage. Off-lead interaction requires a secure suitable area and a safe assessment of compatibility.
5. At home, use separate spaces and supervised sessions. Feed behind closed doors or suitable barriers and remove contested items.

Read the interaction

Tail wagging alone does not establish friendliness. Do not make dogs share chews to prove they get along, and avoid dropping food between them during a greeting.

Common mistakes

• Letting dogs fight to establish an order.
• Punishing warnings instead of creating space.
• Following a fixed day-by-day timetable despite fear.
• Reaching between fighting dogs or grabbing collars during a fight.

Support a peaceful home

Give each dog individual exercise, attention and undisturbed rest. Keep separation options available long term. If tension increases, assess health and consult a qualified reward-based behaviour professional before another direct encounter.

Frequently asked questions

How long should introductions take?

Progress depends on the dogs, not a deadline. Some relationships develop slowly and some pairings are unsuitable.

Can I use treats?

Yes, with separate handlers and enough distance to avoid competition. Avoid shared food around dogs who guard.

Will an older dog automatically accept a puppy?

No. Protect the older dog's rest and interrupt persistent puppy pestering.

Comfortable coexistence is a worthwhile goal even when the dogs never become constant playmates.

Further reading

• Dogs Trust: introducing a new dog
• Best Friends: introducing dogs
• AVSAB: humane behaviour care

For more practical guidance on caring for your dog, explore ASK A VET™. If your dog needs urgent treatment, contact your veterinary clinic directly.