Are onions poisonous to dogs?

Pets and Onions Each Layer Can Poison Your Pets. Many people love onions, and there are plenty of foods that we enjoy that contain them. As always, we must remember that what is great and tasty for us can be extremely harmful for our pets. Onions contain an ingredient called thiosulphate which is toxic to cats and dogs. read more

Onions, onion powder - Raisins and grapes - Salt - Yeast dough - Garlic - Products sweetened with xylitol this list is based on The Animal Poison Controls list of death and illness in pets Sugarless Candies Can Be Toxic to pets Sugarless Candies Can Be Toxic to pets. read more

Best Answer: Onions, Leeks, garlic, chives. Dogs are extremely sensitive to onion toxicity so it is best avoided to fed in any quantities. Onions cause a particular type of anaemia due to damage to the red blood cells of dogs. the toxic doses can be as little 15g/30kg in dogs. read more