Drug Name:Xylazine
Drug Class:Alpha-2 adrenergic agonist
Mechanism of Action:
  • Binds to alpha-2 adrenergic receptors in the central nervous system
  • Inhibits the release of norepinephrine and other neurotransmitters
  • Produces sedation, analgesia, and muscle relaxation
Use:
  • Sedation and analgesia in large animals (horses, cattle, etc.)
  • Adjunct to anesthesia
  • Treatment of colic in horses
Side Effects:
  • Bradycardia
  • Hypotension
  • Respiratory depression
  • Ataxia
  • Muscle tremors
  • Salivation
  • Urinary retention
Contraindications:
  • Animals with pre-existing heart, liver, or kidney disease
  • Animals with hypovolemia or shock
  • Animals with respiratory depression
  • Pregnant animals
Specialty:
  • Veterinary medicine