My Dog Is Dragging Its Back Legs: What To Do

The commonest mistake with a suspected spinal injury is a soft carrier. It lets the back sag, which is mechanically the same as bending a damaged disc.

A dachshund jumps off the sofa, yelps, and cannot use its back legs. Nothing dramatic happened. That is exactly how most of these start.

Sudden loss of normal back-leg function, dragging, knuckling over onto the tops of the paws, wobbling or outright paralysis, means a possible spinal injury. In long-backed breeds it is usually a slipped disc. After a fall or a car, in any breed, it may be a fractured vertebra. Either way, how you move your dog in the next ten minutes genuinely affects the outcome.

The clock

If a dog can still consciously feel deep pain in its toes, surgical recovery rates are around ninety per cent. If that sensation has been absent for more than 24 hours, recovery falls towards fifty.

That clock starts at the moment the legs failed, not the moment you noticed or the moment you decided it was serious. It is the whole reason this is urgent even in a dog that seems comfortable lying still.

Do not use anything soft

This is the mistake worth writing in capitals. A duffel bag, a soft pet carrier, or a blanket used as a sling all let the middle of the back sag, and a sagging spine is mechanically identical to flexing the damaged disc you are trying to protect.

Use something rigid and flat. A board, a baking tray, an ironing board, a shelf, the lifted boot floor of the car.

What to do

1. Do not let your dog walk, not even the few steps to the car. Every step risks driving disc material further into the spinal cord. This is the single most common owner-side error.
2. Slide it onto the rigid surface keeping the spine straight. Two people if possible, one taking the head and chest, one the hips, moving together as one unit rather than lifting either end first.
3. Secure it so it cannot roll, twist or arch, with towels or soft straps over the shoulders and hips tucked under the board. Muzzle if it is in pain, as long as it can pant freely.
4. Ring before you set off and say: suspected spinal injury, cannot use back legs, breed, weight. If they have a neurologist or an MRI on site they may send you straight there rather than to the nearest clinic.
5. Drive smoothly. No sharp corners, no hard braking. The transport is part of the treatment.

Never lift a dog under the chest with the hindquarters dangling. The weight of the unsupported pelvis pulls the lower spine into precisely the curve you are trying to prevent. If you have no board, support both ends and keep the body level.

Check the back paws before you assume it is the spine

This is worth thirty seconds. Feel the back paws. If they are cold, the pads or nails look pale, blue or grey, and you cannot find a pulse on the inside of the thigh, this may not be a spinal problem at all. It may be an arterial clot, which is a different emergency with different handling.

Tell the vet on the phone that the back paws are cold. It changes what they prepare. Do not massage the legs or apply heat.

No human painkillers

Paracetamol, ibuprofen, aspirin and naproxen are all toxic to dogs and none of them will help a spinal injury. Your vet has appropriate pain relief.

The breeds, and the early warning

Dachshunds above all, plus Corgis, French Bulldogs, Beagles, Cocker Spaniels, Pekingese, Shih Tzus and Basset Hounds. If you own one of these, treat any sudden hind-leg weakness as a disc problem until a vet rules it out.

And watch for the quiet early version: a previously agile dog that becomes reluctant to do stairs, hesitates before jumping onto the sofa, or will not shake itself off after a swim. That is a same-day appointment, not a wait-and-see, and catching it there is far better than catching it on a board.

Ramps, steps and keeping weight down all genuinely reduce risk in these breeds.

Sources

This article was written using guidance from PDSA, the UK's largest veterinary charity, whose Pet Health Hub is written by its own vets and nurses; AVMA, the American Veterinary Medical Association, the professional body representing US veterinarians; VCA Animal Hospitals, a North American hospital network with an extensive, vet-written pet health library; and ACVIM, the American College of Veterinary Internal Medicine, which publishes veterinary consensus statements. This guidance is for general information and does not replace a consultation with your own veterinarian. In an emergency, always contact a vet. Read [how we write our health guidance](https://rochsociety.com/how-we-write-our-health-guidance/). Last reviewed July 2026.