Petco Text Logo
Petco Pet Logo

My dog can't stand on hind legs suddenly, but his tail wags. Why?

Updated On September 23rd, 2025

Sudden loss of use of rear legs, tail still wags but can't stand or walk on hind legs

1 Answer

Most Helpful Answer

Image profile

Answered By Bette Isacoff

Dog Trainer

Published on August 16th, 2015

It sounds like a spinal cord injury, or it could be a growing tumor that has become large enough to cause pressure. Ant sudden, drastic change in a pet's condition needs to be assessed right away. Please bring him to the emergency vet today.

Vote icon

10Pet Parents found this answer helpful

image
Have A Vet Question?

Book an appointment with the pros – our expert vets are here to help.

Sponsored