Cats may die from licking anthelmintics, because the anthelmintic has a certain degree of toxicity. If the cat accidentally licks it, it may drool, foam at the mouth, convulse, etc. If the cat licks it too much, , will cause life danger. You need to pay more attention when doing external deworming for cats. You should drop it on the back of the cat's neck, and you can also wear an Elizabethan ring on the cat to prevent the cat from accidentally eating it and being poisoned.