Intervertebral disc disease (IVDD) is a leading cause of sudden paralysis in dogs, particularly in chondrodystrophic breeds. Its welfare implications are severe - from acute pain to potential paralysis requiring surgery or prolonged rehabilitation.
IVDD causes acute, intense suffering in its initial presentation. The pain of disc herniation compressing the spinal cord is severe - affected dogs may cry continuously, be unable to move, and show extreme distress when touched. The anxiety of sudden paralysis - loss of ability to move, stand, or toilet independently - adds psychological distress to physical pain. Surgical recovery requires weeks of strict crate confinement that is frustrating for active dogs. Incomplete recovery leaves some dogs with varying degrees of permanent disability that requires ongoing management. The welfare of paralyzed dogs who retain apparent happiness and engagement despite disability challenges simplistic quality-of-life assessments - many thrive with appropriate support.