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In medicine, a nebulizer is a device used to administer medication to people in forms of a liquid mist to the airways. It is thus used in treating respiratory diseases.
Also called "atomizers", they pump air or oxygen through a liquid medicine to turn it into a vapor, which is then inhaled by the patient.
These medicines are frequently steroids, and the reason they are inhaled instead of digested is to limit their effect to the lungs/respiratory system only. Otherwise, that amount of steroid saturated throughout the body would be toxic.
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