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My dog tires easily, has wobbly legs, and back pain. What's wrong?

Updated on September 23rd, 2025

Pet's info: Dog | Blue Heeler | Female | spayed | 1 year and 4 months old | 55 lbs

This isBella our 16month old blue heeler.We love her to bits but ever since we can remember we’ve had issues with her.When we take her to the park she can only run short distances before she’s hyperventilating and taking cover under the car,sometimes her legs sway like she’s going to faint. And lately she isn’t herself,she won’t jump up onto the bed or onto our laps for cuddles anymore and whines when she gets up from under the couch Her back end is tender to touch Blood tests are normal plzhelp

1 Answer

Most Helpful Answer

Joy Fuhrman, DVM, MBA, CPA

Answered By Joy Fuhrman, DVM, MBA, CPA

Veterinarian

Published on January 17th, 2018

It sounds like Bella may either have a problem with her heart causing her to tire easily or she may have a problem with her lower spine causing her to be painful in the back end and her legs to sway. Unfortunately neither of these could be diagnosed with blood tests. Radiographs or even advanced imaging such as echocardiography or MRI would be needed to determine what might be going on here. You may want to consider a consultation with a veterinary neurologist and/or cardiologist. You can find one in your area on www.acvim.org.
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