Everyone knows that secondhand smoke is harmful to humans, but did you know it can be equally detrimental to your pets? Secondhand (and Third Hand) Smoke May Be Making Your Pet Sick McCleary Animal Hospital 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 Vaping Around Dogs: Safety Tips Every Pet Owner Should Know Vaping Around Dogs: Safety Tips Every Pet Owner Should Know