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Bronchodilators are either short-acting or long-acting. Short-acting medications provide quick or "rescue" relief from acute bronchoconstriction. Long-acting bronchodilators help to control and prevent symptoms. The three types of prescription bronchodilating drugs are beta-2 adrenergic agonists (short- and long-acting), anticholinergics (short ...
On 18 November 2005, the U.S. Food and Drug Administration (FDA) alerted healthcare professionals and patients that several long-acting bronchodilator medicines have been associated with possible increased risk of worsening wheezing in some people, and requested that manufacturers update warnings in their existing product labeling.
Short-acting β 2-agonists are used to treat exercise-induced asthma, [7] and for asthma patients to get a quick relief of symptoms. They are taken 10–15 minutes before exercise. The bronchodilation begins few minutes after inhalation of short-acting β 2-agonists and lasts from 4 to 8 hours.
Formoterol, also known as eformoterol, is a long-acting β 2 agonist (LABA) used as a bronchodilator in the management of asthma and chronic obstructive pulmonary disease (COPD). Formoterol has an extended duration of action (up to 12 h) compared to short-acting β 2 agonists such as salbutamol (albuterol), which are effective for 4 h to 6 h.
Umeclidinium bromide is a long-acting muscarinic antagonist. [14] This combination was approved by the FDA on December 18, 2013 [15] for the long-term maintenance treatment of COPD. On March 28, 2014, it was approved in European countries [16] and in Russia [17] under the same trade name.
[6] [144] Short-acting bronchodilators have an effect for four hours and for maintenance therapy long acting bronchodilators with an effect of over twelve hours are used. In times of more severe symptoms a short acting agent may be used in combination. [6]