Unfortunately there are many things that are toxic to our pets. If you are unsure always contact your vet for advice. Never give your pet any human medications as many are toxic. Foods which can be toxic to our pets include onions, chocolate, caffeine, grapes, macadamia nuts, alcohol and xylitol (an artificial sweetener). Plants which can be toxic to our pets include lilies, yesterday, today and tomorrow plant and sago palm (cycad). Rat baits and snail baits are highly toxic to our pets.