Wednesday, December 18, 2013

Effective Bronchodilators for asthma


Salbutamol is one of the short-acting bronchodilators
Bronchodilators as their name suggest are drugs, which are capable of dilating the air passages within the lungs. Thus, these medications are helpful in managing bronchial narrowing which will take place during an asthmatic attack or else to prevent such occurrences among susceptible individuals. However, not all bronchodilators are alike and according to their speed of action, there are two categories of bronchodilators, which are the short-acting ones, and the long-acting bronchodilators. 

 
Short-acting bronchodilators

These medications are powerful enough to exert its effect within few minutes of its use and therefore will be useful in the management of acute asthmatic attacks. In general, the most preferred way of using short-acting bronchodilators is via inhalers or through a nebulizer. However, it is also available in tablet form as well. In any form, if someone is taking short-acting bronchodilators frequently, that means that the person is not controlling his or her asthmatic episodes and therefore needs medical review. In addition to its use as a reliever of asthmatic attacks, short-acting bronchodilators can also be used to prevent an impending asthmatic attach such as in the case of exercise induced asthma. Therefore, if someone is prone to develop asthma following exercise, it is possible for that person to take a short-acting bronchodilator before starting such events. 

Some of the short-acting bronchodilators available for treatment include albuterol, alupent, levalbuterol and Pirbuterol.

Long-acting bronchodilators

As against short-acting bronchodilators, the long-acting ones will take time to exert its effects and therefore will not be useful in the management of acute attacks. However, the long-acting bronchodilators are rather useful in the management of asthma in the long-run. In general, the long-acting bronchodilators are used in combination with corticosteroid medications and together, the combination can control the precipitation of asthmatic attacks in most people. 

Some examples for long-acting bronchodilators include salmeterol, formoterol and combination medications such as Advair and Symbicort.

Side effects of bronchodilators

As with most other drugs, bronchodilators have their own set of side effects and among them, the shaky feeling and the nervousness are common. Some patients will feel a palpitation while the heart rate could also increase with the initial doses or in some cases, with higher doses. Upset stomach, trouble sleeping, muscle aches and cramps are some of the other side effects seen with bronchodilator medications. 

Bronchodilators are usually classified into three groups irrespective of its speed of action. These are the beta agonists, anticholinergics and the thyophylline. In the following blogs, I will further illustrate these groups of medications and their effects.

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