Your puppy has teeth like tiny needles and the energy of someone who has consumed three espressos and has a personal grudge against your hands specifically. Every time you reach down to pet them, you return with minor puncture wounds. This is the puppy biting phase, it is completely normal, and it will end. Here is how to get through it.

Why Puppies Bite

Puppies bite because they are teething and their gums hurt, because they are playing and have not yet learned where the limits are, and because biting is how they explore and interact with the world before they have any other vocabulary. This is not aggression. In the litter, siblings bit each other constantly and learned bite inhibition through the feedback of littermates yelping and withdrawing. Now that job belongs to you.

What Actually Works

Consistency above everything. When the puppy bites too hard, a calm, clear sound, either a yelp or a firm short word, followed by withdrawing your hand and pausing the interaction for 30 seconds. Every time. Not most times. Every time. The puppy is learning that hard biting ends the fun, which is the same lesson they learned in the litter. This takes repetition but it works.

Redirect to appropriate chew objects before the biting escalates. Offer a chew toy the moment play starts getting mouthy. If the toy is consistently more interesting than your hand, the habit shifts. Frozen toys work particularly well during active teething because the cold provides genuine gum relief.

What Does Not Work

Tapping the puppy on the nose. This startles rather than teaches, creates hand-shyness, and can damage trust. Scruffing or physically correcting in any way. Again, creates fear rather than understanding. And continuing to play after being bitten because the puppy looked sorry. The puppy did not look sorry. The puppy looked momentarily confused. Hold the boundary consistently and the phase resolves. Most puppies are significantly better by 16 to 20 weeks.