Urethral Prolapse Urethral prolapse is defined as the extrusion of the urethral mucosa through the external urethral orifice of the penis. This condition occurs most commonly in young male dogs that have not been neutered. Brachycephalic breeds (e.g., bulldogs, Boston terriers, pugs) and Yorkshire terriers may be predisposed to urethral prolapse. Although we don’t know […]