Nicotine inhaler cartridges Nicotinefilled cartridges upper right in a box together with a nicotine inhaler lower left The inhaler is a device which helps people to give up smoking It allows nicotine to be inhaled in a smokefree way The inhaler is free of the tar in cigarettes which cause lung cancer The inhaler reduces wit hdrawal symptoms from the nicotine in cigarettes in the first weeks after stopping smoking