Is It Dangerous To Vape Around Pets? Cronulla Vet Clinic 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, Vaping Around Dogs: Safety Tips Every Pet Owner Should Know 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