Not for the treatment of asthma &/or acute episodes of bronchospasm. Discontinue immediately if hypersensitivity &/or paradoxical bronchospasm occurs. Use w/ caution in patients w/ narrow-angle glaucoma or urinary retention; CV disorders (CAD, acute MI, cardiac arrhythmias, HTN); known or suspected QT interval prolongation or patients treated w/ medicinal products affecting the QT interval; unstable ischaemic heart disease, left ventricular failure, history of MI, arrhythmia (excluding chronic stable atrial fibrillation), a history of long QT syndrome or w/ prolonged QTc (>450 ms); convulsive disorders or thyrotoxicosis; unusually responsive to β
2-adrenergic agonists. May produce significant hypokalaemia. Inhalation of high doses may produce increases in plasma glucose. Closely monitor plasma glucose in diabetic patients upon treatment initiation. Be alert for signs & symptoms of prostatic hyperplasia or bladder-neck obstruction (eg, difficulty passing urine, painful urination). Do not administer concomitantly w/ other long-acting β-adrenergic agonists or muscarinic antagonists. Patients w/ severe renal impairment or ESRD requiring dialysis; severe hepatic impairment. Pregnancy & lactation. May inhibit labor due to a relaxant effect on uterine smooth muscle. Do not use in childn <18 yr.