Dog With Bad Back Legs on Stairs: How to Help Up and Down Safely

A dog with bad back legs can usually still manage stairs safely, but only with a change in routine: you support the back end, you slow the whole thing down, and you block off the stairs the rest of the time. Before you settle into a system, though, it is worth finding out why the back legs are failing, because arthritis, a disc problem and a nerve disease all need different plans. If you are new to all of this, our overview of caring for a dog whose back end is weakening is a good place to start.

Why stairs are so hard on a weak back end

Stairs load the rear legs more than anything else your dog does in a day. Going up, the back legs push the whole body upward one step at a time. Coming down, they act as the brakes, holding the body back so the front end does not run away.

That is why down is usually the bigger risk. A dog whose back end is wobbly builds up speed, the front legs cannot hold the weight, and you get a stumble, a face-plant, a torn nail or a fresh injury near the bottom of the flight.

The signs show up on stairs first. Hesitation before going up or down steps, difficulty getting up and down, and being slower on walks are among the most common things owners notice.¹

The usual reasons a dog starts struggling with steps

Osteoarthritis, a painful condition involving inflammation and wearing down of one or more joints, affects at least 20% of dogs over one year old and 80% of dogs over eight years old.¹ It tends to look like difficulty getting up and down, slower walking, and a dog who hesitates before going up or down steps.¹

Hip dysplasia is an abnormal development of the hip joint in large dogs, with a loose joint and, later, arthritis.² Lameness is worse after exercise, and the dog may walk with a "bunny-hopping" gait.² If that sounds like your dog, read our guide on managing steps with a dysplastic dog.

Intervertebral disc disease, or IVDD, happens when the disc that cushions movement between two backbones deteriorates and presses on the spinal cord.³ Type I is very common, especially among dachshunds, French bulldogs, beagles and Shih Tzus.³ Signs range from just back pain to the dog becoming unable to walk or losing feeling in its legs.³

It is a spinal cord disease causing slowly progressive hind limb weakness and paralysis,⁴ and early signs include the hind paws knuckling or turning under so the dog walks on its knuckles, hindquarters that sway when standing still, and hind feet that scrape the ground when walking.⁴ Most affected dogs do not seem in pain, just very weak.⁴ It is most common in middle-aged to older dogs, from 4 to 14 years.⁴ We cover this in detail in stairs and degenerative myelopathy.

Red flags: stop and call the vet today

Some changes are not a stairs problem, they are an emergency. Call your vet now, and do not keep working the stairs, if your dog suddenly cannot stand, is dragging both back legs, yelps or tenses when touched along the spine, loses bladder or bowel control, or gets noticeably worse over hours rather than weeks.

Dogs that become paralyzed and have also lost pain sensation, meaning they can no longer feel their feet, are considered an emergency, and the chances of walking again are very low, even with surgery.³ Fast is everything here.

How to help your dog up and down the stairs

Position yourself on the downhill side and take one step at a time. That way, if your dog slips, you are catching him instead of being pulled over.

• Support under the belly just in front of the back legs, or under the hips, so the weight comes off the rear end without lifting the whole dog.
• Let your dog set the pace and pick his own foot placement. Rushing is how nails get torn.
• Never pull by the collar, and never dangle a dog from a single handle. Support the body, don't hoist it.
• Going up, walk behind and slightly below. Going down, stay one step ahead and to the side, and keep a hand ready at the chest.
• For your own back, bend your knees, keep the dog close to your body, and stop lifting a 50 to 90 pound dog with your arms alone. A sling with a shoulder strap does that job far better.

For gear, a rolled bath towel under the belly works in a pinch, a rear support sling is easier to hold for repeated trips, and a full-body harness with front and rear handles suits dogs who are weak at both ends. Pick by size and by where the weakness is: rear-only weakness, rear sling; wobbly all over, full body.

Making stairs safer, or skipping them

The best stairs plan for most dogs is fewer stairs. Baby gates at the top and bottom stop the unsupervised attempts that cause the falls, and a ground floor setup with bed, food, water and a door to outside removes the problem entirely for many households.

Where stairs cannot be avoided, add grip: a non-slip runner or stair treads, and traction indoors too. Rugs, carpets or yoga mats on hardwood or tiled surfaces, pet ramps or steps where needed, and booties to protect scuffed paws are all part of managing a dog with degenerative myelopathy.⁵ Keep nails short, since long nails change how the foot lands. There is more in our guide to stopping a dog from slipping on hard floors. Non-skid surfaces, soft padded bedding and a ramp for getting in and out of a vehicle or on and off furniture all help with comfort and mobility.¹

Where a rear support wheelchair fits in

A wheelchair is for flat ground and walks, not for stairs. The OldPal Rear Support Dog Wheelchair carries your dog's weight through the hips and chest on a padded harness, holds the back legs so they hang free or lightly brush the ground, and lets him squat to go to the bathroom while he is in it. Load and unload him at the bottom of the stairs, never on a step or a landing edge.

Sizing is one measurement: rear leg height, top of the hip straight down to the toe pad, dog lying on his side, leg at its natural bend. Five sizes cover 3 to 27 inches. Take the measurement with our wheelchair size guide and fit finder, or email a photo and your number to help@oldpalpets.com and a person will check it. If the size is wrong, our Fit Guarantee lets you exchange the frame for the size that fits. Mini, Small and Medium chairs arrive within 1 to 2 weeks, Large and XL within 2 to 3 weeks, continental US only.

Weight and gentle strengthening

Every extra pound shows up on every step. If arthritis is what is making your dog's back legs struggle, getting him to a slender body weight is by far the most important thing you can do, because extra body weight puts additional force on the joints, and fat produces inflammatory mediators, substances that keep the inflammation going.⁶

Then build the back end gently. High-impact activity like running and jumping should be limited and replaced with controlled activities such as leash walks; low-impact, consistent exercise builds the muscles around the joints and promotes joint stability.⁶ Rehabilitation such as range of motion work, therapeutic exercises and aqua therapy on an underwater treadmill improves joint mobility, increases muscle mass and improves endurance.⁶ For DM specifically, physical therapy has been shown to slow progression, prolong quality of life and preserve muscle mass.⁴

Short flat walks most days beat one long weekend hike. On a flare day, rest and skip the stairs entirely.

Doors, cars and the last two steps

A portable ramp with side rails, or a low set of steps, handles thresholds and the last step or two. For vehicles, a ramp saves your back and your dog's hips; there are more options in our guide to getting a weak-legged dog into the car. For dogs who cannot manage even one step, a boost technique works: front feet up first, then lift the back end with a sling while the dog takes his own weight in front.

When to escalate, and how to track it

Book a vet exam if the stairs are getting harder week over week. Arthritis is diagnosed through a physical exam, feeling the joints by hand to find and grade the pain, and X-rays,¹ and any suspected disc problem starts with a neurologic examination, a check of how the nerves are working, by a veterinarian.³ Your vet can refer you to a rehabilitation specialist.¹

Keep a simple diary: date, how many stairs, whether you helped, any slips, and how he was the next morning. Bring it to the appointment. It shows a trend far better than memory does.

Some reassurance to end on: with appropriate management, dogs with arthritis can live a normal lifespan.¹ Good days ahead.

Frequently asked questions

Related guides

• Common back leg problems in dogs
• Choosing a bed for a dog with weak back legs
• Keeping a less mobile dog busy and happy

Sources

Related guides

• Senior Dog Care: Keeping an Older Dog Comfortable and Moving
• Dog Sudden Paralysis in Back Legs: What to Do Now