How to Stop Dogs from Fighting and Build Friendship

Build Reliable Communication First

Before addressing fights, ensure both dogs respond reliably to basic commands like “sit,” “down,” and “look at me” when they’re alone. This strong foundation of communication is essential. If your dogs don’t listen to you when apart, they won’t listen when together—especially during tense moments. For example, if fights often happen in tight spaces like hallways, a solid “stay” or “down” can prevent conflict before it starts. Similarly, if loud noises trigger aggression, train each dog individually to look to you when they hear a doorbell or knock.

Introduce Dogs Gradually and Safely

Once both dogs follow your commands reliably when apart, begin introducing them in the same room—without direct contact. Use a large crate placed in the living area so the dogs can see, smell, and hear each other without being able to reach one another. This setup supports desensitization, helping them grow used to each other’s presence in a calm, controlled way. The more time they spend peacefully coexisting in the same space, the more progress you’ll make toward friendship.

Use Training to Create Positive Associations

While one dog is in the crate, train the other with simple, enjoyable commands like “sit,” “down,” and “look at me.” Reward the dog generously for compliance. You can also reward the crated dog for calm behavior. This process, called counterconditioning, teaches both dogs that being near each other leads to good things—like treats and attention—rather than conflict. It also shows them that you expect obedience even when they’re together, reducing the need for them to take control.

Respond Calmly to Aggression or Threats

If your dogs growl, snap, or lunge, treat it as an “incident”—not a minor issue. Respond quickly and calmly with a low-pitched “No!” or “Hey!” Avoid yelling, as it often increases tension and makes aggression worse. Instead, use a distraction like saying, “Let’s go for a walk,” or placing both dogs into a long down-stay. This helps redirect their focus and prevents escalation. Never scream or make dramatic movements, as this can fuel the situation.

Separate Safely If a Fight Occurs

If a fight breaks out, prioritize safety. Separate the dogs immediately using body blocking, a loud noise, or calling them away. Avoid grabbing collars, as excited dogs may bite. If possible, pull them apart by their back legs or tails—but this requires two people for larger dogs. A water spray or other startling noise can interrupt the fight. Remember: there’s no completely safe way to separate fighting dogs, so protect yourself and act decisively.