Apomorphine-b: apomorphine is the most reliable and effective drug for the induction of emesis in canines. when administered intravenously or intramuscularly, apomorphine can produce emesis in a matter of minutes. it is also available in a tablet form that can be crushed and a small amount placed in the conjunctival sac.
xylazine is an effective and fast-acting (1-2 minutes) emetic in cats.
hydrogen peroxide can induce vomiting in dogs by irritating the gastric mucosa. results, however, are often not immediate and may not occur at all.
syrup of ipecac can also induce vomiting in dogs, but only after 15-30 minutes following administration. it must reach the intestine before it exerts is effects.