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 Keeping Your Pets Safe from Nicotine Poisoning American Lung Association Nicotine is extremely dangerous for your pets. Even small amounts from cigarettes, vapes, or nicotine patches can be toxic and life threatening. Keep your pets safealways store nicotine products out of reach! # Poisoning in dogs prevention, recognition, and treatment petsXL Is Vaping Near Pets Dangerous? Rocklin Ranch Veterinary Hospital & Urgent Care Pets Kick It Idaho!