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'''Anti-asthmatic agents''' refer to drugs 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 and related hospital visits.
Anti-asthmatic agents as rescue medications for acute asthma attacks include short-acting β2-[[adrenergic agonists]] (SABA), short-acting [[muscarinic antagonists]] (SAMA), systemic [[glucocorticoids]] and [[magnesium sulfate]]. Anti-asthmatic agents as maintenance medications for asthmatic symptom control include long-acting β2-adrenergic agonists (LABA), inhaled glucocorticoids, long-acting muscarinic antagonists (LAMA), methylxanthine/phosphodiesterase inhibitors, leukotriene receptors antagonists, mast cell stabilizers and [[monoclonal antibodies]].
Global Initiative of Asthma (GINA) is the official guideline on the usage of anti-asthmatic agents. The GINA guideline outlines the class, dosage and administration of anti-asthmatic agents prescription depending on the severity of asthma symptoms and nature.
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