Lordosis in Rabbits: Abnormal Spinal Curvature and Rabbit Mobility Problems

Lordosis is an abnormal inward curve of the spine. In a rabbit, that can make the back look dipped or swaybacked and may change how your rabbit stands, hops, or carries weight. Sometimes the curve is present from a young age. In other cases, a rabbit develops a posture that looks like lordosis because of pain, weakness, arthritis, spinal injury, or another condition affecting the back legs and spine.

The important point is that "lordosis" describes a shape, not a final diagnosis. Your vet still needs to determine why the spine looks abnormal and whether the problem is structural, neurologic, painful, or progressive. Rabbits have delicate spines and powerful hind legs, so even a brief twisting injury can cause serious damage.

Some rabbits with mild curvature stay comfortable for long periods with environmental support and monitoring. Others develop mobility problems, trouble reaching cecotropes, urine scald, sore hocks, or reduced appetite because pain and limited movement interfere with normal rabbit behavior. Early evaluation helps your vet separate a stable body-shape difference from a more urgent spinal disorder.

There is not one single cause. Some rabbits may have a congenital or developmental spinal shape difference, while others develop an abnormal curve or a lordosis-like posture because of another problem. Common possibilities include vertebral malformation, arthritis, spondylosis, intervertebral disc disease, old trauma, obesity-related strain, weak muscle support, or pain elsewhere in the hind end that changes posture.

Spinal trauma is especially important in rabbits. Their hind legs are strong, but their spine is relatively fragile. A rabbit that twists while being restrained, kicks during handling, or panics in a cage can suffer vertebral fracture or luxation, often near the lower back. These injuries can cause weakness, paralysis, and loss of bladder or bowel control.

Your vet may also consider neurologic and infectious causes that can mimic a spinal curvature problem. For example, Encephalitozoon cuniculi can cause difficulty walking and other neurologic signs in some rabbits. In older rabbits, degenerative spinal disease becomes more likely, and larger rabbits may be more prone to age-related spinal changes.

Because several very different conditions can look similar at home, it is safest to think of lordosis as a visible clue rather than a final answer. The next step is figuring out whether your rabbit has a stable body-shape issue, a painful orthopedic problem, or a true neurologic emergency.

Diagnosis starts with a careful history and hands-on exam. Your vet will ask when you first noticed the posture change, whether it came on suddenly or gradually, and whether your rabbit has had falls, rough handling, reduced appetite, urine accidents, or trouble hopping. A neurologic exam helps your vet check strength, reflexes, pain response, and whether the problem seems to involve the spine, nerves, joints, or muscles.

Spinal radiographs are often the first imaging test. They can help identify abnormal curvature, vertebral malformations, arthritis, spondylosis, fractures, or dislocations. Depending on the case, your vet may also recommend bloodwork, urinalysis, or testing related to infectious or inflammatory disease. If radiographs do not fully explain the signs, referral for CT or MRI may be discussed, especially when spinal cord compression, disc disease, or surgical planning is a concern.

Sedation may be needed for safe positioning during imaging because rabbits can injure themselves when stressed or struggling. That is one reason rabbit-savvy handling matters so much. Once your vet knows the cause, they can outline realistic care options ranging from home-supportive management to pain control, rehabilitation-style support, or advanced referral care.

Not every case can be prevented, especially if a rabbit is born with a spinal abnormality. Still, many mobility-related spine problems become less likely when rabbits are handled carefully, kept lean, and given daily exercise on safe footing. Proper support of the chest and hindquarters matters because struggling and twisting are well-known causes of serious spinal injury in rabbits.

A rabbit-friendly setup can also reduce risk. Use solid flooring or well-padded surfaces instead of slick areas that encourage slipping. Provide enough space for normal movement, easy access to hay and water, and litter boxes with low entry if your rabbit is older or stiff. Routine exercise helps maintain muscle tone and bone health, while obesity increases strain on joints and may raise the risk of degenerative change.

Regular wellness visits are useful for catching subtle mobility changes early. If your rabbit starts shuffling, grooming less, or hesitating to hop, do not wait for a crisis. Early support can help protect skin, digestion, and comfort even when the spinal shape itself cannot be changed.