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 (Nicotine) Poisoning in Dogs PetMD Can Dogs Get High From Marijuana? LOOKAH Vaping: Get the Facts. Protect Your Future Anne Arundel County Health Department Veterinarians warn that vape clouds in the home are just as harmful as regular smoke. Pets can develop allergies, coughing, and breathing difficulties, and citrus flavored e liquids are especially toxic, settling on fur,