Your dog can't tell you they're breathing in secondhand smoke, but their lungs feel it. Protect your pets by keeping your home tobacco free. #QuitForThem #NationalDogDay Can Drug Dogs Smell Nicotine? Everything You Need to Know 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. 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. Passive Smoking & Dogs Finchley Dog Walker Can thirdhand smoke hurt my pet? Thirdhand Smoke Resource Center