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Asthma Exacerbation: 3 Inhalers For Acute Asthma Exacerbation

Asthma is a long-lasting condition of inflamed lungs and recurring constriction of the airways. Asthma in its steady state may only display milder symptoms such as nighttime cough and tight feeling in the chest. But asthma progresses into a more severe state. The airways may start constricting a few days before an asthma attack. Sometimes, especially when triggered by irritants, asthma exacerbation is almost immediate.

Unforeseen asthma attacks are usually relieved with inhalers. These inhalers usually contain bronchodilators. Bronchodilators are substances that relax the airways. They are most useful during an asthma attack since the latter is characterized by narrowing airways. There is also what is called a “long-term” bronchodilator which maintains open airways. Bronchodilators are best delivered via inhalers so as for medication to be directed to the lungs. There are three types of inhalers.

Metered-dose inhalers deliver bronchodilator medication from pressurized canisters. As the name implies, the dosage is pre-measured so no medication is wasted. The bronchodilators are in aerosol form which by far is the easiest form of the medication for asthmatics to take. The user has to start inhaling before actuating the device. Upon release of the medication, the user continues to inhale.

Dry powder inhalers are secondary in popularity to the metered-dose inhalers. These inhalers deliver powdered bronchodilators. They are preferred over by some asthmatics as they require little-to-no breathing synchronization with the actuation of the device. Using it requires quick inhalation of the medication, though; as slow inhalation leaves more medication in the mouth than to the lungs.

Nebulizers are commonly used in hospitals. These inhalers are generally electric-powered. They consist of an air source to blast liquid bronchodilators and turn it into a steady stream of mist which the asthmatic breathes in. They always require spacers for full effect. Some argue that nebulizers are no more effective than metered-dose inhalers. Some say that the continuous stream of mist helps a user with a severe asthma attack. The asthmatic may not be able to take in much of the medication from an MDI.

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