How to stop a puppy from biting

Puppy biting is normal teething and play, not aggression. Teach bite inhibition: the moment teeth touch your skin, calmly stop all play and pull your hand away, then redirect to a chew toy and praise when they use it. Never wrestle with bare hands. Most puppies bite far less by 5–6 months as adult teeth come in.

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Step by step

The instant you feel teeth on skin, freeze and let out a soft 'ow', then stop playing for a few seconds.
Immediately offer an acceptable chew toy so they learn what they're allowed to bite.
Reward and keep playing when they mouth gently or lick — you're rewarding a soft mouth, not no mouth at first.
Never use your hands or fingers as toys — it teaches biting hands is a game.
Give plenty of chew outlets (frozen toys help teething) and make sure the puppy is getting enough sleep — overtired puppies bite the most.
If they get too wound up, use a short calm timeout in a pen rather than scolding.

Frequently asked questions

Is puppy biting a sign of aggression?

Almost never. In puppies it's normal play and teething. It becomes a problem only if it's paired with stiff body language, growling and guarding — in which case consult a trainer.

At what age do puppies stop biting?

Nipping usually reduces a lot between 4 and 6 months once adult teeth are in and bite inhibition has been taught, though some individuals take until 7–8 months.

Why does my puppy bite more in the evening?

It's usually the 'witching hour' — an overtired puppy that needs a nap, not more play. Enforce a rest in a crate or pen.