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, Is Secondhand Weed Smoke Bad for Dogs & Cats? EarthMed Can thirdhand smoke hurt my pet? Thirdhand Smoke Resource Center E Cigarette Toxicity Can dogs get high from secondhand smoke? What to know GreenState