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My dog keeps chewing her foot and running with a crouched back. Why?

Updated On September 23rd, 2025

Pet's info: Dog | Chihuahua | Female | unspayed | 4 lbs

She keeps chewing on her back foot, and when she runs her back is kind of crouched downwards the whole time while she’s running, should this be something I should be concerned about?

1 Answer

Most Helpful Answer

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Answered By Dr. Dayna, DVM, CVA

Veterinarian, Certified Veterinary Acupuncturist

Published on January 11th, 2018

It sounds like Honey is either painful or itchy. The crouched stance can be back pain, itchy rear end, or knee pain sometimes. Based on your description I wonder if she could have an anal sac infection. I would highly encourage you to have her evaluated by your veterinarian soon. Hopefully the physical exam will tell us why she is acting the way she is and your veterinarian can help make some treatment recommendations. Best of luck and thank you for using Pet Coach.

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