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Why does my 3-month-old puppy keep biting and jumping on me?

Updated on September 23rd, 2025

Pet's info: Dog | Mixed Breed | Female | unspayed | 3 months and 3 days old | 20 lbs

My girlfriend's dog keeps nipping/biting and jumping on me. I'm not around but maybe 4 times a month and the dog is only 13 weeks old. She's a sheepadoodle. Any reason it's like this with me?

2 Answers

Most Helpful Answer

Lauren Jones VMD

Answered By Lauren Jones VMD

Veterinarian

Published on March 23rd, 2017

This can be frustrating, but is normal exploratory behavior at 13 weeks old. Like small children, puppies put everything in their mouths (hands included) as a means of exploration. Blesszuri is also beginning to teethe and can be expected to start losing her puppy teeth around 16 weeks of age.

That said, she should not have a free pass to display this behavior just because she is exploring and teething. Whenever she bites or jumps on you, put an appropriate chew toy in her mouth, walk away and ignore her for a few minutes. When she interacts with you appropriately, praise her positive behavior with play time, belly rubs, or even a small treat. It can take a long time and a lot of consistency, but eventually Blesszuri will understand that she only receives attention and praise when she exhibits positive behaviors and interactions.
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Related Answers from Veterinarians

  • Answered By Ricardo Fernandez, DVM

    Veterinarian, Veterinary Oncology Resident

    Published on July 31st, 2018

    Thanks for using Petco Pet Education Center, formerly Petcoach! You are right she is absolutely adorable! You are likely describing teething which is basically a normal type of behavior when puppies are growing up and it is secondary to mouth discomfort as teeth are growing. I recommend that you get Moana teething type toys which you can get at your local pet store or online. Anytime that she tries to nibble at you, you say no and give her the toy. This is likely going to resolve the issue. Good luck and have a great day!

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    1Pet Parents found this answer helpful

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