Do not use in asthma due to absence of long-term outcome data. May increase risk of asthma-related serious adverse events w/ long-acting β2-adrenergic agonists when used for the treatment of asthma. Discontinue immediately if hypersensitivity reactions, paradoxical bronchospasm & CV effects (eg, increase in pulse rate & BP) occur. Not indicated for the treatment of acute bronchospasm episodes eg, rescue therapy. CV disorders (CAD, acute MI, cardiac arrhythmias, HTN), convulsive disorders or thyrotoxicosis; patients unusually responsive to β2-adrenergic agonists; known or suspected QT interval prolongation or patients treated w/ medicinal products affecting QT interval. Not to be used more often or at higher doses than recommended. Not to be used in conjunction w/ other long-acting β2-adrenergic agonists-containing medications. Hypokalemia, hyperglycemia. Monitor plasma glucose in diabetic patients. May inhibit labor due to relaxant effect on uterine smooth muscle. Pregnancy & lactation. Not to be used in childn <18 yr.
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