Is Vaping & E Cigs Poisonous To Pets? The Dangers with EJuice 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 Tobacco Smoke, Vaping, Nicotine, and The Risk They Pose to Our Pets Green Acres Kennel Shop E Cigarettes and Dogs Husky Haven of Florida Super Sunday: Vape Dog! Your dog can't tell you they're breathing in secondhand smoke, but their lungs feel it. Protect your pets by keeping your home tobacco free. #QuitForThem #NationalDogDay