Puppies and lessons
When do puppies stop biting?
The puppy that draws blood from the children's ankles is the most common call our trainers take in a puppy's first month, and the answer is patience and a rule, not punishment. Here is the timeline, the rules, and the biting that is not puppy biting.
Last reviewed September 11, 2026 · by the Best Dog University Team
The short version
Four to six months, if the biting stops working.
Puppy biting peaks between eight and sixteen weeks, eases as the adult teeth replace the baby teeth around four to six months, and fades to nothing in a puppy whose family has been consistent. The teeth are half of it; the other half is learning, and a puppy that has learned biting ends games, gets people to move their hands and produces squealing, which is delightful, keeps biting past the teething. The rules are a redirect to a toy every single time, a game that ends the moment teeth touch skin, naps enforced because an overtired puppy is a shark, and hands that are never toys. The change usually shows within a fortnight of the family getting consistent.
- Peaks at eight to sixteen weeks
- Eases with the adult teeth at four to six months
- Fades to nothing only if it stops working
- Redirect, end the game, enforce naps, hands are not toys
The reasoning
Why puppies bite, why it gets worse in the evening, and why punishment backfires.
Puppies bite because it is how they explore, how they play with littermates and how they relieve teething pain, and because a littermate yelps and stops playing when bitten too hard, which is the lesson the family has to replace. The evening is worst because an overtired puppy loses what little control it has, and the family that is trying to tire the puppy out with more play at eight o'clock is making it worse; a nap in the crate fixes the witching hour. Punishment backfires for two reasons: a puppy that is hit or grabbed for biting learns that hands are dangerous and bites harder in defense, and a puppy that is held down learns to fight. The consequence that works is the one a littermate gives: the fun stops.
The toy matters too. A puppy needs something it is allowed to bite within reach at every moment, and a family that wants the biting to stop without giving the mouth a job is asking for something a puppy cannot do.
- Exploring, playing and teething
- The littermate's lesson: bite too hard and the fun stops
- The evening is the overtired hour; a nap fixes it
- Punishment teaches defensive biting
- A toy within reach at every moment
What it means for your puppy
Eight to twelve weeks, three to five months, six months on, and the biting that is not play.
From eight to twelve weeks the biting is constant and the rules start: redirect, end the game, naps, and children taught to stand still and be boring rather than run and squeal. From three to five months the teeth are changing, the puppy is sore and a frozen washcloth helps, and the rules hold. From six months on a puppy that is still biting hard has learned it works, and the fix is the same rules kept properly plus a structured walk and a job, because a six-month dog with nothing to do uses its mouth. Biting with a growl, a stiff body, over food or a toy, or at a child who reached for the puppy is not play biting; it is guarding or fear, and it gets the growl page and a call.
- Eight to twelve weeks: constant, the rules start
- Three to five months: teething, a frozen washcloth, the rules hold
- Six months on: it has worked, keep the rules, add a job
- A growl, a stiff body or food: not play biting
The Houston factor
A summer puppy indoors all day, children home from school, and a lot of retrievers.
A Houston puppy that arrives in June spends its first months indoors from mid-morning to dusk with children who are home from school, which is the perfect recipe for a puppy that bites all day: too much stimulation, too little sleep and ankles everywhere. The crate and enforced naps matter more in a Houston summer than anywhere, and a frozen washcloth or a frozen chew is a teething tool and a cooling one. Houston also owns a lot of retrievers and doodles, breeds that are mouthier than most as puppies and carry things for life, so the rule about what goes in the mouth becomes the rule about what the dog carries, and it is taught with trades.
A toy within reach of every adult and child, all day
Teeth on skin: a calm word, the toy offered, and the game ends if it happens again
Naps enforced in the crate, especially in the evening
Children taught to stand still and be boring, never to run or squeal
A frozen washcloth or chew for the teething weeks
A structured walk and a job for the six-month puppy that is still biting
The growl page and a call for biting with a growl, a stiff body or over food
The program
The puppy bundle handles it in the first session.
The Puppy Development Bundle, four sessions at $550 in Cypress or $750 in your home, covers biting and nipping in the first session along with the crate and the potty routine, which is why families book it in the first week; the children are part of the lesson. A six-month puppy that is still biting hard and has picked up other habits sometimes goes into a Gold stay at $2,500, where the mouth rules are built into the whole foundation. The puppy biting how-to on this site walks through the method, and the free phone consultation is where our team asks how old the puppy is and who it bites.
The programs
Programs that end the biting.
The puppy bundle in the first week, Gold for the six-month puppy that is still at it, lessons at home with the children present.
Asked and answered
Questions people ask about this.
Is it normal for my puppy to bite so much?
Yes. Puppies explore, play and teethe with their mouths, and an eight-to-sixteen-week puppy bites constantly. What is not normal is a puppy at eight months that still bites hard, and that is a puppy whose biting has kept working. The rules decide it.
Should I yelp or hold my puppy's mouth shut when it bites?
Neither. Yelping excites most puppies and holding the mouth teaches the puppy to fight hands. Redirect to a toy, and if teeth touch skin again the game ends, calmly, every time. The fun stopping is the consequence a littermate would give and the one that works.
Why does my puppy bite more in the evening?
Because it is overtired, and an overtired puppy loses what little control it has. The family that plays harder at eight o'clock to wear it out makes it worse. A nap in the crate at the witching hour fixes most evening biting within a few days.
My puppy bit my child hard and growled. Is that normal?
No. Play biting comes with a loose, wiggly body. A bite with a growl, a stiff body, or over food or a toy is guarding or fear, and it needs a different plan: separate, stop the child reaching for the puppy, and call for an consultation this week.
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Make the biting stop working.
Tell our team how old your puppy is and who it bites. The free phone consultation is a direct call.