Are grapes bad for dogs?

Are grapes bad for dogs? The answer (and this goes for raisins, too, which are just dried grapes) is easy: No, dogs should never eat grapes. Grapes and raisins are known to be highly toxic to dogs, though research has yet to pinpoint exactly which substance in the fruit causes this reaction.

The answer (and this goes for raisins, too, which are just dried grapes) is easy: No, dogs should never eat grapes. Grapes and raisins are known to be highly toxic to dogs, though research has yet to pinpoint exactly which substance in the fruit causes this reaction.