Vaping and Dogs: Is It a Safe Alternative Around Your Pets? PetGuide Secondhand Smoke and Pets Smoke Free At Home NM Vaping isn't just harmful to humans it's dangerous for our pets too! The aerosols from e cigarettes contain toxic chemicals and nicotine that can seriously harm pets if inhaled or ingested. 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, Dog sniffs out illegal vapes and tobacco in Leighton Buzzard Is It Safe to Vape Around Your Pet?