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Puppy potty training: Why does my puppy pee inside after going out?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed Small (up to 22lb) | Female | unspayed | 2 months and 24 days old | 4 lbs

My puppy is 12 weeks old. Female Shihpoo. We are in the process of potty training her, however, I will take her out every 20 min to go pee and she ends up not peeing outside but inside as soon as we get back. How can I change this?

1 Answer

Most Helpful Answer

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Answered By Dr. Heidi DVM, CVA, CCRT, CVTP, CVSMT, CVCH

Veterinarian, Certified Veterinary Acupuncturist, Certified Canine Rehabilitation Practitioner

Published on February 27th, 2018

Housetraining a puppy is not as easy as you may think, and there are many things that can affect how easily a puppy is housetrained. I am attaching a link to a handout below with very detailed information about housetraining. https://www.veterinarypartner.com/Content.plx?P=A&S=0&C=0&A=2421 And this is an article on housetraining pitfalls. https://www.veterinarypartner.com/Content.plx?P=A&S=0&C=0&A=2461 Since you didn't give me the specifics of your training, I will offer the following advice for Bindi. Be sure to give a lot of positive reinforcement when she does actually go outside (which may be praise or treats). Do not allow her to run around the house after going outside and not urinating. Crate train her and put her in the crate if you go outside and she does not urinate until you take her outside and she does urinate. An alternative to this is to keep her on a leash when you come inside and she has not urinated outside. This way you can make a quick scolding noise like "No!" while she is urinating and quickly take her outside to finish urinating. There is no point in scolding unless you catch her in the act of urinating, so it usually requires a puppy to be on leash. Good luck! I hope that was helpful and gives you some ideas. Thanks for using PetCoach.

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