Pets and Cannabis Toxicity Animal Medical Center of Mid America 4 20: The Risks of Marijuana and Your Pet Vaping isn't just harmful to humans it's dangerous for our pets too! The aerosols from e cigarettes contain toxic chemicals and nicotine that can seriously harm pets if inhaled or ingested. Your dog can't tell you they're breathing in secondhand smoke, but their lungs feel it. Protect your pets by keeping your home tobacco free. #QuitForThem #NationalDogDay Friendly PSA time! Weed poisoning is becoming increasingly common at vet clinics, according to experts, and with the recent legalization of cannabis edibles which will likely include enticing candy products, there is Fact check: Can dogs get high from cannabis smoke?