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Why is my previously potty-trained dog suddenly peeing on the sofa?

Updated on September 23rd, 2025

Pet's info: Dog | Toy Poodle | Female | spayed | 1 year and 10 months old | 9 lbs

My dog has been potty-trained since she was 3 months old, but she's suddenly peeing on my sofa. I washed everything (including the sheet n cushions) , and the moment I put them back, she couldn't wait to pee on it again. What may be going on? Thanks!

3 Answers

Most Helpful Answer

Jenny, DVM

Answered By Jenny, DVM

Veterinarian

Published on March 16th, 2018

She may have a urinary infection that causes her to have accidents due to not being able to hold it as Kong. She may be doing this out of stress or anxiety or something has changed in her environment or routine. Depending on where she is in her heat cycle it may be due to marking and territorial problems influenced by hormones

The best place to start is gave your vet check for infection with the urine then look in to getting her fixed. From there you can look into repeating house training or behavioral medicines
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Related Answers from Veterinarians

  • Answered By Dr Stafford, BVetMed, MRCVS

    Veterinarian

    Published on July 1st, 2017

    In such a young puppy this is likely a behavioural issue, you need to persistent in house training as accidents are really common at this age. Be firm but try not to chastise her. You could have her urine tested to make sure she doesn't have a uti but I think this sounds behavioural not medical.

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    1Pet Parents found this answer helpful

  • Answered By Jennifer Summerfield, DVM CPDT-KA

    Veterinarian, Certified Dog Trainer

    Published on March 18th, 2019

    Hi there! Here is an article with information on how to house train a puppy. If you have additional questions after reading it, feel free to post again.

    https://www.petcoach.co/article/7-rules-for-effective-housetraining/

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    1Pet Parents found this answer helpful

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