+28 Dog Ate Nicotine Pouch References . While our dogs, cats and other companion animals are not running out to the corner store to purchase a pack of cigarettes, they are at risk for exposure to nicotine, and therefore at risk for nicotine toxicity, due to products being present in their environment. The poisoning can be fatal if the dog ingests a large amount of nicotine and he doesn’t receive emergency treatment. She ingested a nicotine pouch, which was used was 3 mg nicotine from www.justanswer.com My dog has persistent fleas, we have been treating him with 08/10/2019 08/10/2019; When chewed or punctured, alkaline batteries leak a caustic substance that can burn your pet. While our dogs, cats and other companion animals are not running out to the corner store to purchase a pack of cigarettes, they are at risk for exposure to nicotine, and therefore at risk for nicotine toxicity, due to products being present in their environment.