Behavioral changes in domestic dogs associated with exposure to secondhand smoke: A cross sectional study ScienceDirect Don't Puff Around Pets American Lung Association Are Dogs Who Live with Smokers More Likely to Get Cancer? Psychology Today Secondhand smoke and e cigarette aerosol exposure in dogs and cats: A scoping review with implications for smoking cessation among pet owners 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