Is It Safe to Vape Around Your Pet? 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 Secondhand Weed Smoke Bad for Dogs & Cats? EarthMed E Cigarette Toxicity Vaping Around Dogs Safe Ways to Vape If You Have a Dog 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,