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The proposed mechanism is that while LABAs relieve asthma symptoms, they can also promote bronchial inflammation and sensitivity without warning. [23] On February 18, 2011, the FDA issued a safety alert for long-acting β agonists. [ 24 ]
An anti-asthmatic agent, also known as an anti-asthma drug, refers to a drug that can aid in airway smooth muscle dilation to allow normal breathing during an asthma attack or reduce inflammation on the airway to decrease airway resistance for asthmatic patients, or both. The goal of asthmatic agents is to reduce asthma exacerbation frequencies ...
[5] [6] Long-lasting β 2-agonists are often given in a combination with corticosteroids to treat asthma. 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.
Beta 2-adrenergic agonists, also known as adrenergic β 2 receptor agonists, are a class of drugs that act on the β 2 adrenergic receptor. Like other β adrenergic agonists , they cause smooth muscle relaxation. β 2 adrenergic agonists' effects on smooth muscle cause dilation of bronchial passages , vasodilation in muscle and liver ...
Beta-blocker, or beta-adrenergic antagonists, may also induce bronchial constriction and block the action of other beta-receptor targeted asthmatic drugs, leading to a worsening asthma condition. [35] Therefore, asthma patients should be cautious and inform their physicians of their asthma conditions. [36]
Serious side effects may include worsening asthma, anaphylaxis, seizures, and heart problems. [5] Safety in pregnancy and breastfeeding is unclear. [ 6 ] Fluticasone, a corticosteroid , works by decreasing inflammation while salmeterol, a long-acting beta-adrenoceptor agonist (LABA), works by activating beta-2 adrenergic receptors .