Canine Degenerative Myelopathy Management

Degenerative myelopathy is a progressive spinal cord disease in dogs that leads to hindlimb paralysis and eventually full body weakness, requiring dedicated supportive care.

Key Facts

Degenerative myelopathy results from progressive axonal degeneration in the spinal cord
A mutation in the SOD1 gene is strongly associated with the disease in multiple breeds
German Shepherds, Pembroke Welsh Corgis, and Boxers are among the most affected breeds
Initial signs include hindlimb weakness and ataxia progressing to paralysis over months to years
There is no effective treatment to halt progression; management is supportive
Physical rehabilitation and assistive devices such as wheelchairs maintain mobility and quality of life

Welfare Considerations

DM is a welfare challenge because progression is inexorable, and management centres on maintaining quality of life as long as possible rather than achieving recovery. Dogs in early stages often remain mentally bright and enthusiastic for life despite physical limitations. Wheelchairs, physiotherapy, hydrotherapy, and attentive nursing care can maintain meaningful quality of life for extended periods. The welfare priority is monitoring for pain from secondary complications such as pressure sores, urinary tract infections, and muscle contractures. Euthanasia decisions should focus on quality of life assessment rather than degree of physical impairment alone.

What You Can Do

Enrol your DM-affected dog in a physiotherapy programme as early as possible after diagnosis
Consider a dog wheelchair when hindlimb weakness prevents normal ambulation
Monitor carefully for complications including skin sores and urinary infections requiring treatment
Use the HHHHHMM quality of life scale to guide decisions about euthanasia timing
Support breed health programmes using SOD1 genetic testing to reduce DM prevalence