Xylazine is a?methyl benzene?that is?1,3-dimethylbenzene?which is substituted by a 5,6-dihydro-4H-1,3-thiazin-2-ylnitrilo group at position 2. It is an alpha2 adrenergic receptor agonist and frequently used in veterinary medicine as an emetic and sedative with analgesic and muscle relaxant properties. It has a role as an emetic, an alpha-adrenergic agonist, a sedative, a muscle relaxant and an analgesic. It is a?methylbenzene, a?1,3-thiazine?and a secondary?amino?compound. It is a conjugate base of a xylazine(1+).