Asthma

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Quick-Relief Medications



Beta2 agonists



When successful, beta2 agonists produce relief almost immediately and may continue doing so for as long as 6 hours; in acute exacerbations, the duration of effect is often less than 6 hours. Short-acting beta2 agonists (e.g., albuterol, terbutaline) can be delivered either by inhalation or orally. Generally, the inhaled form of delivery is preferred because it is less likely to produce side effects than oral preparations. Injectable beta2 ag...Read the full article