Commonest side effect of short acting beta 2 agonist used in asthma is-
Correct Answer: Muscle tremors
Description: Ans. is 'a' i.e., Muscle tremors Short acting beta 2 agonists in asthma* Beta agonists are by for the most effective bronchodilators, and are well tolerated when given by inhalation.* They work as functional antagonists on the airway smooth muscles and therefore prevent and reverse bronchoconstriction, irrespective of the mechanism.* They inhibit mast cell release and are therefore used in exercise and allergen induced asthma.* They are inadequate to suppress chronic airway inflammation, and do not reduce airway hyperresponsiveness, and are therefore not adequate alone to treat persistent asthma.* Side effects are not usually a problem when beta 2 agonists are administered by inhalation, but become more frequent with oral and intravenous administrations. The commonest adverse effects are muscle tremors and palpitations which are more common in elderly patients.
Category:
Pharmacology
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