How much cinnamon is toxic to cats? It takes a larger amount of ingested cinnamon powder to cause problems in our pets (greater than 1 teaspoon of powder for most pets) but only a small amount of the essential oil.
Is it bad for cats to smell cinnamon? Many liquid potpourri products and essential oils, including oil of cinnamon, citrus, pennyroyal, peppermint, pine, sweet birch, tea tree (melaleuca), wintergreen, and ylang ylang, are poisonous to cats.
What happens if my cat eats cinnamon? When your cat has ingested cinnamon, you should look for symptoms such as diarrhea, vomiting, coughing, or shortness of breath in your cat. Other, less obvious symptoms of a cat who has eaten too much cinnamon include a reduced heart rate and liver failure or other liver complications.
Is cinnamon toxic to cats or dogs? According to the American Society for the Prevention of Cruelty to Animals (ASPCA) Animal Poison Control Center, cinnamon is not toxic to dogs, cats, or horses.