Aside from mild gastrointestinal upset, the only reported issues come from kitties being injured while getting a little too crazy playing,” adds dr. In fact, catnip is seemingly ineffective when given to dogs as their brains don't process the chemical compound in the same way. Kong Catnip Spray 1 Oz - The Petcache Spray Catnip Scented Sprays In moderation, catnip appears safe to use on a dog’s skin or internally. Does catnip spray work on dogs . You see, these calming pheromones also help soothe cats and remind them that they are in their “safe and secure area.” In some cases, it is not the catnip you need to worry about, but the toy itself. Spraying something you want your cat to start using will get it interested in the item. Most of these sprays contain synthetic calming pheromone for pets like cats and dogs. Is catnip safe for dogs? Applying catnip oil also helps repel mosquitoes and other insects that may bite dogs. Don't play with catnip more than a...