Nebulizers are useful in the treatment of asthma, COPD or other pulmonary diseases by transforming the liquid medication prescribed by a specialist in steam. The patient should always be near the machine and inhale through the mouthpiece connected. To get the drug to have the desired effect, several times should inhale deeply and slowly for 10 to 15 minutes. The advantages over traditional inhaler is that it requires much effort when aspirating the drug. In addition, nebulizers are small and easily transportable equipment.