Pets and Vaping: What's the Risk? E Cigarette Direct 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. Is Vaping & E Cigs Poisonous To Pets? The Dangers with EJuice Passive smoking and our pets PDSA Vaping Around Dogs: Safety Tips Every Pet Owner Should Know Is it risky to smoke or vape around companion animals? RSPCA Knowledgebase