Hypersensitivity. Do not exceed recommended dose. Not to be used in asthma & treatment of acute episodes of bronchospasm. Discontinue immediately & substitute alternative therapy if paradoxical bronchospasm occurs. Patients w/ narrow-angle glaucoma, prostatic hyperplasia, bladder-neck obstruction. Avoid contact w/ the eyes. Dry mouth associated w/ dental caries in long-term use. Patients w/ CV disorders, coronary insufficiency, cardiac arrhythmias, hypertrophic obstructive cardiomyopathy, HTN, convulsive disorders or thyrotoxicosis, known or suspected prolongation of the QT interval & those who are unusually responsive to sympathomimetic amines. Discontinue treatment if increases in pulse rate, BP &/or symptoms occur. History of MI, unstable or life-threatening cardiac arrhythmia, diagnosis of paroxysmal tachycardia (>100 beats/min). Hypokalemia. Not to be used in conjunction w/ long-acting β2
-adrenergic agonists or long-acting muscarinic antagonists. Contains benzalkonium Cl which may cause wheezing & breathing difficulties. Moderate to severe renal impairment (CrCl ≤50 mL/min). May affect ability to drive or operate machinery. Avoid use during pregnancy. Lactation. Childn.