How to Stop Your Puppy From Biting
Why puppies use their mouths so much, what actually reduces it, and where to go if your situation is more specific than this page.
Most puppy biting is normal — a mix of teething, play and learning how hard is too hard. It's not a training failure, and it's very rarely aggression. This guide covers why it happens and what actually reduces it; if your situation is more specific, jump to the section that matches it below.
Is puppy biting normal?
Yes, for the vast majority of puppies. Mouthing and nipping are how puppies explore the world, play with each other, and — through feedback from littermates and you — learn bite inhibition: how to control the pressure of their jaws. A puppy who never mouths anything during this stage is the unusual case, not the normal one.
That doesn't make it painless to live with. The goal isn't to stop your puppy from ever using their mouth — it's to teach them where teeth belong (toys, not people) and how much pressure is too much, while the behaviour is still easy to shape.
Why puppies bite
Biting usually traces back to one of six overlapping causes. Most articles explain these causes and then give a separate, generic list of tips — the table below pairs each one with the fix that actually matches it, since "redirect to a toy" doesn't do much for a puppy who's overtired, and "let them rest" doesn't help one who's just exploring.
| Cause | What it looks like | What helps |
|---|---|---|
| Exploration | Mouthing objects, hands, fabric — investigating textures and tastes | Redirect to an appropriate chew before it starts; puppy-proof what's within reach |
| Teething (12–16 weeks) | Increased chewing on everything, sore-looking gums, biting harder than usual | Offer a variety of textures — a frozen chew can numb sore gums; expect a temporary spike |
| Play | Nipping during games, often paired with a play bow or wagging tail | Teach bite inhibition through feedback: yelp or disengage the moment it's too hard |
| Overstimulation / excitement | Escalating, harder nips during rough play or greetings — see biting when excited | Pause the game before it peaks, not after |
| Tiredness | Wilder, less controlled biting, often in the evening — see biting when tired | Rest, not more stimulation — a nap or quiet crate time |
| Attention-seeking | Nipping at hands or clothes when you're busy or ignoring them | Reward calm check-ins; avoid reacting in a way that reads as a game |
What to do when your puppy bites
Stop moving
Fast hands and feet look like moving prey to a puppy and tend to intensify biting. Go still before doing anything else.
Disengage calmly
No yelling, no yanking your hand away. A calm, unremarkable withdrawal doesn't give the puppy anything interesting to chase.
Redirect to an appropriate toy
Offer a toy or chew immediately after disengaging, so your puppy has something to actually put their mouth on.
Reward the calmer choice
Praise or a small treat the moment they take the toy instead of your hand — this is the repetition that actually teaches the swap.
Give them a chance to settle
If the biting is escalating rather than resolving with redirection, the puppy may be overstimulated or tired rather than just playing — a short break in a calm space (crate, pen, quiet room) is often more effective than another round of toys.
What not to do
A few common reactions feel intuitive but tend to make biting harder to train, not easier.
- Yelling or shouting — this reads as an exciting reaction to a lot of puppies, and can increase arousal rather than end the interaction.
- Physical punishment (tapping the nose, holding the muzzle shut, an "alpha roll") — this doesn't teach a puppy what to do instead, and can damage trust or, in some puppies, provoke more defensive biting.
- Letting biting on hands become an accepted game — even gentle mouthing during play teaches that hands are a valid target; it's much easier to prevent this early than to un-teach it later.
- Grabbing at or pulling away from the bite — the pulling motion itself is what triggers a puppy's instinct to grip harder, the opposite of what you want.
More specific situations
The advice above covers general puppy biting. If your situation matches one of these more specific patterns, the dedicated guide goes deeper.
Puppy biting hands and feet
Fast-moving hands and feet trigger a puppy's chase instinct in a way stationary objects don't, which is why ankles and fingers get targeted more than almost anything else in the house. See the full guide to biting hands and feet.
Puppy biting at night
If the biting reliably gets worse in the evening, it's often a mix of a full day of stimulation catching up and a missing wind-down routine. Read the guide to nighttime biting.
Biting when excited
Excited biting and overtired biting look similar from the outside but need close to opposite responses. See how to tell excited biting apart and what to do about it.
Biting when tired
An overtired puppy's impulse control is, functionally, offline — more stimulation usually backfires. Read the signs and the fix for overtired biting.
When do puppies stop biting?
There's a real, if wide, age range where this settles down — and a point where it's worth asking more questions. See the age-by-age guide.
Puppy biting vs aggression
True aggression is rare in young puppies, but it's worth knowing the difference in body language. Read how to tell normal biting from something that needs closer attention.
A 7-day puppy biting plan
This isn't a strict schedule — every puppy's pace is different — but it's a realistic order to work through the pieces above instead of trying to fix everything at once.
| Days | Focus | What to do |
|---|---|---|
| 1–2 | Prevent, don't just react | Keep a toy within reach everywhere your puppy spends time, so you can redirect before a bite happens, not just after. |
| 3–4 | Consistent response | Every person in the household uses the same stop → disengage → redirect → reward sequence — mixed signals slow this down more than anything else. |
| 5 | Rule out fatigue | Track when the worst biting happens for a day. If it clusters in the evening, look at nap timing before assuming it's a training issue. |
| 6–7 | Reinforce calm | Actively reward calm check-ins and gentle mouth contact — not just the absence of biting — so your puppy has a clear alternative to aim for. |
Go deeper with bite inhibition
Pawstrain's Bite Inhibition lesson walks through teaching your puppy to control their pressure, step by step — it's part of the free lesson library, no account needed to read it.
Pawstrain lesson
When Your Dog Won't Stop Biting
The full bite-inhibition lesson: how to teach pressure control, and how to tell when biting needs more than training.
Pawstrain program
Puppy Starter: The First Month
A 4-week track covering the daily structure — sleep, naps, feeding — that makes a lot of "random" biting make sense.
Sources & evidence
Principal sources used for the factual and safety guidance on this page.