TL;DR: Hind end swaying, or ataxia, indicates a lack of coordination between a dog's brain and limbs and typically requires a veterinary evaluation within 24 to 48 hours. Seek immediate emergency care if your dog suddenly cannot walk, drags its paws, or shows signs of severe pain.
What does it mean when my dog's hind end is swaying or wobbling?
- Recognize swaying or wobbling as ataxia, often described as a "drunken gait."
- Understand that this indicates the brain, legs, and spinal cord are not communicating effectively.
- Be aware of potential causes including neurological disorders, spinal injuries, arthritis, or metabolic imbalances.
Is hind end swaying in dogs considered a veterinary emergency?
- Treat a swaying hind end as a medium-level urgency requiring a veterinary exam within 24 to 48 hours.
- Contact an emergency clinic immediately if the swaying is accompanied by a sudden inability to walk.
- Seek urgent care if your dog begins dragging their paws or showing signs of intense pain.
How can a video of my dog walking help the veterinarian with a diagnosis?
- Record a video of your dog in their home environment where they are less likely to be influenced by clinic-induced adrenaline.
- Provide visual evidence that allows the veterinary team to see the exact nature of the swaying in a natural setting.
- Help the vet distinguish between orthopedic weakness and neurological incoordination for a more accurate diagnosis.
Clinical Context (Merck Veterinary Manual)
When a dog presents with a swaying hind end while walking, potential causes include distal denervating disease, which is a common polyneuropathy, and lumbosacral disease typically affecting dogs 3-7 years of age. Distal denervating disease involves degeneration of peripheral nerves, while lumbosacral disease can result from degeneration or protrusion of the L7-S1 disc, hypertrophy of the ligamentum flavum, or rarely, subluxation of the lumbosacral joint. Clinical signs of lumbosacral disease may include difficulty using the pelvic limbs, pelvic limb lameness, tail weakness, and incontinence; pain on palpation or extension of the lumbosacral joint is a consistent finding, and proprioceptive deficits, muscle atrophy, or a weak flexor reflex may be present in the pelvic limbs.
Chapter: Neurology
Source: The Merck Veterinary Manual, 11th Edition (Page 1239)