The common behaviors that are observed are: rubbing on the plant, rolling on the ground, drooling, sleepiness, anxiety, or consuming much of the plant. The plant terpenoid nepetalactone is the main chemical constituent of the essential oil of Nepeta cataria and acts as a feline attractant. This chemical enters the feline's nose, and produces effects on the cat.[3]
Catnip has a history of human medicinal use for its soothing properties. It has also been known to have a slightly numbing effect. The plant has been consumed as a tea, juice, tincture, infusion or poultice, and has also been smoked.[4] Nepetalactone is a mosquito and fly repellent.[5][6]