Xylazine, is used in veterinary medicine for sedation, analgesia and muscle relaxation. Furthermore, Xylazine can be used for epidural anesthesia and for anesthetic premedication. The effects of Xylazine are related to depression of the nervous system. Xylazine is an alpha-2 adrenergic agonist and has effects on presynaptic and postsynaptic receptors of the central and peripheral nervous systems.