Vaping Around Dogs: Safety Tips Every Pet Owner Should Know One of our customers has had first hand experience of this recently. One cigarette butt can contain enough nicotine to poison a dog. Especially puppies and smaller breeds. What can happen MCCS Impact of Tobacco Use on Pet Health Did you know your pet may be silently suffering from smoke or vape exposure? Find out how secondhand marijuana, vaping, or smoking can harm their lungs, behavior, and overall healthand what Health Effects of Smoking and Vaping on Pets Can thirdhand smoke hurt my pet? Thirdhand Smoke Resource Center