Vaping Around Dogs Safe Ways to Vape If You Have a Dog Is It Safe to Vape Around Your Pet? Can thirdhand smoke hurt my pet? Thirdhand Smoke Resource Center Secondhand smoke and e cigarette aerosol exposure in dogs and cats: A scoping review with implications for smoking cessation among pet owners 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.