What Happens If You Spray Perfume On A Dog. Some dogs and cats are lethargic or won't eat after a large dose of perfumes, because it may cause nausea or dull the odor of food, which is very important for appetite stimulation. Heavily scented shampoos or sprays applied directly to a pet can cause skin reactions, nausea and lethargy, or even airway irritation.

Again, this can appear similar to allergies. 🐶 what will happen if you spray a dog with perfume? Pet owners should wait for 24 hours to see his reaction.