An Asthma inhaler is a (usually metered) device holding a medicine that you take by breathing in (inhaling). Inhalers are the most common treatment for asthma.
A metered dose inhaler (MDI) is a device that delivers a specific amount of medicine to the lungs, in the form of a short burst of aerosolized medicine that is inhaled by the patient. Inhalers are the most commonly used delivery system for treating asthma, chronic obstructive pulmonary disease (COPD) and other respiratory diseases
There are various types of inhalers available. Some of them are Duolin inhaler (Generic Combivent), Asthalin Inhaler (Generic Ventolin), Tiova Inhaler (Generic Spiriva), Beclate Inhaler (Generic Beclovent), Seroflo Inhaler (Generic Advair HFA) and Foracort Inhaler (Generic Symbicort).