Marijuana Toxicity in Pets: What You Need to Know DoveLewis 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. Secondhand Smoke and Pets Smoke Free At Home NM What To Do If Your Pet Eats Weed: Marijuana Toxicity In Dogs & Cats 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,