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Why is my dog suddenly wobbly, bumping, and weak in her back legs?

Updated on September 23rd, 2025

Pet's info: Dog | Mixed Breed Small (up to 22lb) | Female | spayed | 11 years and 9 months old | 15.21 lbs

Molly has been bumping into furniture and doorways. She seems out of sorts at times and is periodically wobbly and weak in hind legs. Could this be failing eyesight or a neurological disorder? She is currently on 0.5mg of prednisolone daily for skin allergies.

1 Answer

Most Helpful Answer

Destini R. Holloway, DVM

Answered By Destini R. Holloway, DVM

Veterinarian

Published on December 28th, 2018

Poor girl. The fact that she is wobbly and running into things, means that this is likely neurological. I would definitely have her seen by your vet right away for a thorough examination and brief neuro exam to see if we can find the underlying cause for this. One common cause for these types of sudden neurological symptoms in older dogs is vestibular disease, which can be caused by an inner ear infection, a brain tumor, or idiopathic (no underlying cause found). Idiopathic vestibular disease is the most common one we see and typically can improve on its own within a few weeks time with supportive care through your vet.
I hope that things work out well for your pet Molly moving forward. Best wishes and take care!
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