Pets and Vaping: What's the Risk? E Cigarette Direct Vaping isn't just harmful to humans it's dangerous for our pets too! The aerosols from e cigarettes contain toxic chemicals and nicotine that can seriously harm pets if inhaled or ingested. Vaping is Dangerous for Dogs Kinship One of our customers has had first hand experience of this recently. One cigarette butt can contain enough nicotine to poison a dog. Especially puppies and smaller breeds. What can happen Is It Dangerous To Vape Around Pets? Cronulla Vet Clinic