How to Stop Puppy Biting: A Practical Guide
Puppy biting is normal. To reduce it, redirect your puppy to a chew toy, teach a gentle mouth by saying ouch and pausing play when teeth hurt, and give plenty of chewing, exercise, and rest. Never hit your puppy, shout in its face, or hold its mouth shut.
The amount of biting can feel shocking, but it is healthy behavior and not a sign that your puppy will grow up aggressive. This guide explains why puppies bite, how to teach bite control, and when to ask for help. For related routines, see our first week with a new puppy guide and crate training guide, since a rested puppy bites less.
Why do puppies bite and mouth?
Puppies explore the world with their mouths, and the most intense chewing and biting happens in puppyhood. Teething adds to it, as our puppy teething guide explains, and puppies also mouth each other during play. According to the Richmond SPCA, a puppy that bites a playmate too hard will often get a yelp and a pause in play, which is how puppies learn to be gentle.
What is bite inhibition?
Bite inhibition is a dog’s ability to control how hard it bites. The San Francisco SPCA says puppies should learn this by the time their adult teeth arrive, at about 4.5 to 5 months old. Dogs taught a soft mouth as puppies are safer and less likely to injure people or other animals.
How do you teach a puppy to stop biting?
Be consistent. React the same way every time, and keep sessions calm and short.
- Redirect to a chew toy
When your puppy chomps on you, offer an approved chew toy. Wave it or make it squeak so it looks more interesting than your hands. Praise your puppy when it takes the toy.
- Allow only soft mouthing at first
Let your puppy mouth your hands only if the bites are gentle. Teaching bite control needs some feedback, so do not punish every contact right away.
- React to hard bites
When a bite hurts, say ouch in a high, short voice, then stop playing. Keep your tone sharp enough to interrupt but not so loud that it frightens your puppy.
- Pause the fun
Turn away, step over a baby gate, or leave the room for about 20 seconds up to a few minutes. Calm pauses teach your puppy that biting too hard ends the game.
- Return calmly and praise
When your puppy is calm, return and praise it. Offer a toy to start play again.
- Lower your tolerance gradually
Each week, accept slightly gentler mouthing, until your puppy learns not to put its teeth on your skin at all. If your puppy is older than about 5 months, respond to all mouthing on skin.
- Give plenty of chewing and exercise
Provide a variety of safe chew toys and daily walks and play. A puppy that has enough outlets bites less.
What should you do in common situations?
If your puppy bites your hands during play
Switch to a toy. Playing with toys instead of hands makes your puppy much less likely to develop a habit of chewing on skin and clothes. If the bites get hard, say ouch and stop the game.
If your puppy grabs ankles and clothes
Keep a toy in your pocket or hand so you can redirect before your puppy lunges. If it does not work, stop moving and leave the room for a short pause. Do not wave your feet or hands, since movement makes the game more exciting. Leash walks can trigger the same grabbing, so see our leash training guide.
If your puppy gets bitey when tired
Overtired puppies often become wild and nippy. Calmly place your puppy in its crate or pen with a safe chew, and let it rest. Puppies sleep many hours a day, so a nap is often the fix. Our puppy exercise guide covers a balanced day of play and rest.
What should you never do?
- Do not hold your puppy’s mouth shut, slap its nose, or shout in its face. The San Francisco SPCA warns that studies link such methods with a higher chance of aggression.
- Do not yell for natural mouthing. Your puppy is doing what puppies do.
- Do not use your hands as toys. Rough play with hands teaches your puppy that skin is fair game.
- Do not leave children alone with a puppy. Always supervise, and teach children to stay calm and use toys, not fingers, for play.
When does puppy biting stop?
Most puppies learn to control their mouths by the time adult teeth arrive at about 4.5 to 5 months, and mouthing usually fades over the following months. Some puppies take longer. Consistent responses, plenty of chew toys, and social play with healthy, vaccinated puppies and dogs speed up learning. Ask your vet when your puppy can safely join a puppy class, and see our puppy vaccination schedule for how vaccines affect timing.
When should you get help?
Ask your vet or a qualified trainer or behaviorist if your puppy growls or stiffens when you touch food or toys, bites hard enough to break skin and is not improving, or becomes more intense over time. Sudden biting in a puppy that used to be gentle can also be a sign of pain, so a vet check is a sensible first step.
Frequently asked questions
Yes. Puppies explore with their mouths, they are teething, and they play by mouthing. It is normal and healthy, and it does not mean your puppy will be aggressive. The goal is to teach gentleness, not to stop all mouth use at once.
A short, high-pitched ouch followed by a pause in play works for many puppies. Keep it calm and brief. If a loud sound excites or scares your puppy, use a quiet, firm voice and turn away instead.
A class is not required, but it helps. Puppy classes give your puppy safe play with other puppies, and a trainer can coach you in person. Ask your vet when your puppy is protected enough to attend.
Always supervise play. Teach children to stay calm, keep their hands still, and use toys for play. If your puppy gets too excited, calmly separate them and give your puppy a chew toy and some rest.
Related guides
- Why does my puppy cry at night? Causes and fixes
- How to crate train a puppy: step-by-step guide
- New puppy checklist: what to buy before day one
This guide has not yet been reviewed by a veterinarian.