How Second Hand Smoke Affects Your Dog PetGuide Is Vaping Around Dogs Bad? How to Vape Safely Around Your Pets Vaped Today, on Anti Tobacco Day, let's remember that tobacco doesn't just harm humans it puts our pets at risk too. Secondhand smoke can lead to serious health issues in animals, including respiratory Can thirdhand smoke hurt my pet? Thirdhand Smoke Resource Center Secondhand smoke and vapor is smoke from burning tobacco and nicotine products, like cigarettes or vapes. There is no safe level of exposure for people or pets around it. Protect you and Vaping Around Dogs Safe Ways to Vape If You Have a Dog