SYMPTOM
Reluctance to use stairs
Hesitation, slowing, or avoidance when approaching stairs that were previously navigated without difficulty.
Osteoarthritis and Joint Disease
Navigating stairs requires repeated flexion and extension of the hips, stifles, hocks, and spine with each step, placing cyclical loading through joints that may be affected by degenerative change. Arthritic joints that function acceptably on flat ground may become symptomatic under the increased demands of stair navigation, where each step requires the animal to support its full weight on one or two limbs while the others are in motion. Going downstairs can be particularly challenging as it requires eccentric muscle contraction to control descent.
Spinal and Intervertebral Disc
Stair navigation involves repetitive spinal flexion and extension that can be uncomfortable for animals with intervertebral disc disease, spondylosis, or other spinal conditions. The angle of the body on stairs creates different spinal loading patterns compared with level walking, and the need to look downward while descending adds cervical flexion to the thoracolumbar demands. Dogs with spinal pain may be particularly reluctant to go downstairs, where gravitational forces place greater strain on the spinal column.
Neurological
Stairs require precise limb placement, balance, and proprioceptive awareness that can be compromised by neurological conditions. Animals with reduced proprioception may be uncertain about foot placement on each step, while those with vestibular dysfunction may find the visual and spatial challenges of stairs disorientating. Degenerative myelopathy and other progressive neurological conditions can gradually erode the coordination required for confident stair navigation.
Muscular Weakness
Climbing stairs demands significant muscular effort, particularly from the quadriceps, hamstrings, and gluteal muscles. Animals with generalised muscle wasting from chronic disease, ageing, or specific myopathies may lack the strength to push themselves up each step efficiently. Descending also requires considerable muscle control, as the muscles must work eccentrically to prevent the animal from falling forward.
Visual
Declining vision can make stairs appear more challenging or even threatening, as the animal may struggle to judge depth, distinguish individual steps, or see clearly in dim stairwell lighting. Dogs with progressive visual impairment may manage familiar stairs through memory but show reluctance on unfamiliar staircases. Changes in lighting conditions may also affect performance, with some animals managing adequately in bright light but struggling in dimmer conditions.
Fear and Previous Experience
A previous fall, slip, or painful experience on stairs can create lasting reluctance, particularly in anxious or sensitive animals. The smooth surfaces of many indoor stairs can be slippery for animals without adequate traction, and a single frightening incident may produce persistent avoidance. This fear-based reluctance may be specific to certain staircases or surfaces while the animal remains comfortable on carpeted stairs or outdoor steps with better grip.
Why timing matters
Early observation
Initial changes in stair behaviour may be subtle — a brief pause at the top or bottom, slightly slower navigation, or a preference for being carried when previously the animal used stairs independently. The dog may still manage stairs but with less confidence, taking each step more deliberately or pausing partway through. Some dogs may begin avoiding stairs at specific times, such as first thing in the morning when stiffness is greatest, while still managing them later in the day after warming up.
Later presentation
As reluctance becomes more established, the dog may refuse stairs altogether, requiring assistance or alternative routes. Some dogs may manage going up but refuse to come down, or vice versa, reflecting the different physical demands of each direction. In some cases, dogs that persist in using stairs despite discomfort may begin to show abnormal gaits on the stairs, bunny-hopping with the hind legs together, or descending with a markedly stiff posture.
The trajectory of stair reluctance varies with its cause. Joint disease typically produces a gradual progression over months where the animal's tolerance slowly diminishes. Neurological conditions may produce a more variable course, with periods of relative stability and periods of decline. Post-traumatic reluctance may be more sudden in onset. Environmental modifications such as adding carpet runners or non-slip treads may influence the progression by altering the difficulty of stair navigation.
Conditions commonly associated
When to explore further
Stair reluctance that develops alongside other mobility changes — such as reduced jumping, stiffness after rest, difficulty rising, or altered gait on level ground — suggests a broader musculoskeletal or neurological process rather than a stair-specific problem. The pattern of which activities are affected can help characterise the underlying condition.
A clear difference in the dog's willingness to go upstairs versus downstairs can provide biomechanical information. Reluctance to descend may suggest forelimb, cervical spine, or balance issues, while reluctance to climb may point more towards hind limb weakness or hip and stifle discomfort.
Stair reluctance that varies notably with time of day — particularly if worse in the morning and improving as the day progresses — may suggest stiffness-related causes that improve with gentle activity and warming of the joints. This diurnal pattern is commonly associated with degenerative joint conditions.
An older animal that develops progressive stair reluctance alongside changes in hind limb coordination, knuckling, or dragging of the feet may be showing signs of a neurological condition affecting the spinal cord. The combination of stair reluctance with these proprioceptive deficits can be more informative than either observation alone.
Stair reluctance that appears suddenly in a young or middle-aged dog, particularly following vigorous activity or a specific incident, may suggest an acute injury. The abrupt onset distinguishes this presentation from the gradual development typical of degenerative conditions.
Adding non-slip surfaces to stairs — such as carpet runners, rubber treads, or adhesive grip strips — can improve traction and may help dogs that are struggling with smooth surfaces. Observing the dog's stair technique in detail, noting which limbs it seems to favour or protect, whether it pauses at certain points, and how it positions its body, provides useful information about the nature of the difficulty. Providing alternative routes where possible, or limiting stair access to prevent falls while maintaining access to essential areas, helps manage the practical implications of stair reluctance while the underlying cause is being understood.
Last reviewed: 24 April 2026 · Dr Alastair Greenway MRCVS