How to Handle Your Dog Biting Another Dog

Recognize the Signs Before It Escalates

A dog bite is often the final step in a chain of warning behaviors. Growls, snarls, lunges, and bared teeth are all signs of aggression and should be treated as serious incidents. Even if the dogs don’t actually fight, these behaviors indicate unresolved tension. The goal is to intervene early—before a bite occurs—by responding quickly and firmly to any threat. A calm, low-pitched "No!" or "Hey!" is more effective than yelling, which can worsen the situation.

Separate the Dogs Safely if a Fight Happens

If two dogs do start fighting, your priority is to keep everyone safe. Do not try to pull them apart by their collars—this can result in injury to you. Instead, use body blocking: place yourself between the dogs to prevent contact. You can also use a loud noise, such as an air horn or a sudden clap, to break their focus. A distraction like saying "Let’s go for a walk" may redirect their attention. For larger dogs, pulling by the back legs or tail (with two people) is safer than grabbing the collar.

Use Body Positioning to Prevent Conflict

When one dog approaches another, stepping between them can help de-escalate tension. This "splitting up" technique, recommended by expert Turid Rugaas, uses your body as a barrier to prevent direct contact. If your dog is the one being approached, you can also use a containment hold: hug your dog from behind, lift their front end slightly, and keep their head turned away. This works best with friendly but over-eager dogs. However, if the other dog is aggressive, this method may not stop an attack.

Manage the Environment and Prevent Future Incidents

Prevention is key. If your dog struggles with other dogs, avoid situations where they might react. Don’t bring your dog to parks, stores, or busy areas until they’re reliably calm around others. Use a basket muzzle if needed. If your dog is a power breed, remember that leash restraints limit their ability to flee—so they may feel forced to react aggressively. Always take responsibility: politely ask other owners to call their dog back if they’re off-leash and approaching your dog.

Know When to Seek Professional Help

If your dog frequently growls, snaps, or bites other dogs, consult a positive reinforcement trainer or animal behaviorist. Aggression isn’t always about dominance—it can stem from fear, lack of socialization, or poor communication. Some dogs may never enjoy being around others, and that’s okay. The goal isn’t friendship, but safe, controlled behavior. If your dog is a consistent threat, it may be best to avoid dog interactions entirely to protect everyone involved.