Acute vestibular syndrome causes sudden severe disorientation in dogs that is alarming to owners but typically resolves within days to weeks, requiring supportive care and careful welfare management during recovery.
Acute vestibular syndrome causes intense, acute welfare compromise that is typically self-limiting. Dogs in the acute phase experience profound disorientation equivalent to severe vertigo — they cannot stand, track objects normally, or coordinate movement, and the associated nausea causes significant distress. The welfare priority is symptomatic management: anti-emetics to control vomiting, sedation if severe agitation prevents any rest, comfortable padding to protect against self-injury from disoriented movement, and supportive nursing including assistance with eating, drinking, and elimination. Most dogs improve dramatically within 24-72 hours as central compensation for the vestibular dysfunction occurs. Owners who witness the sudden onset often fear stroke or sudden death; accurate prognosis information that the condition typically resolves without treatment significantly reduces human anxiety and improves the dog's welfare by supporting calm nursing rather than panic. Dogs that do not improve within 72 hours or that worsen require further investigation to exclude central vestibular disease, which carries a more serious prognosis.