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Frenchie puppy hemivertebrae: Will rear leg weakness improve with age?

Updated on September 23rd, 2025

Pet's info: Dog | French Bulldog | Male | unneutered | 7 months and 7 days old | 24 lbs

My 7 month old frenchie during a routine checkup was diagnosed with a potential hemivertabrae during an X-ray. He does have VERY minor signs of laziness in his rear legs . But runs and plays totally fine with no pain. Neuro consult was done and he has full feeling in back legs but they agreed it is a little lazy and an MRI could show what's going on. My concern is he is still not fully grown. Is it safe to wait a few months? Can these symptoms correct themselves as he grows ??? Thanks

1 Answer

Most Helpful Answer

Dr. Melanie, BVSc MS

Answered By Dr. Melanie, BVSc MS

Veterinarian

Published on March 13th, 2017

Thank you for more information on Boogie! Hemivertebrae can be common in brachycephalic (short nosed) dogs such as the French Bulldog. It is when the bones of the spinal column are abnormally shaped. This leads to the bones not aligning correctly with their neighboring bones, and this in turn causes damage and compression of the spinal nerves. This isn't something that correct itself as he grows unfortunately. It most commonly affects young dogs because the problems arise as their skeleton grows. Without surgery, the skeletal deformity is permanent. It is best that Boogie has the MRI as soon as possible so this condition can be definitely diagnosed and he can be treated. This condition can severely limit both the quality and length of life, so it's important to have it diagnosed early so it can be treated as needed. I hope this helps!
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