A 4-year-old 11.2-kg (24.7-lb) castrated male French Bulldog was evaluated on an emergency basis at the University of Minnesota Veterinary Medical Center because of acute bilateral hind limb paraparesis. The patient became nonambulatory in the hind limbs after having been dropped by the owner. Past history included inflammatory bowel disease controlled with dietary modifications and a greenstick tibial fracture of unspecified etiology as a puppy. More recently, the patient had been acting lethargic with episodes of trembling for several days prior to the onset of paresis. It also had had a decreased appetite and 1 episode of diarrhea.