What to Do if Your Dog Eats a Cigarette Butt American Kennel Club Comparative study of lung toxicity of E cigarette ingredients to investigate E cigarette or vaping product associated lung injury ScienceDirect E cigarette Liquid Veterinary Poisons Information Service Can thirdhand smoke hurt my pet? Thirdhand Smoke Resource Center Blogs IGSS How does smoking cigarettes affect your pets? 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.