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 safe to vape if I have pets? EDGE Vaping Secondhand Smoke Exposure Secondhand smoke and vapor is smoke from burning tobacco and nicotine products, like cigarettes or vapes. There is no safe level of exposure for people or pets around it. Protect you and Can Dogs Get High? Signs of THC Toxicity in Dogs Pumpkin Pet Insurance