Hypersensitivity. Not to be used in asthma, acute episodes of bronchospasm ie, rescue therapy. Discontinue use if paradoxical bronchospasm occurs. Narrow-angle glaucoma, prostatic hyperplasia or bladder neck obstruction. CV disorders eg, history of MI, unstable or life-threatening arrhythmia, hospitalization due to heart failure, paroxysmal tachycardia; ischaemic heart disease, severe cardiac decompensation, hypertrophic obstructive cardiomyopathy, HTN, aneursym; convulsive disorders or thyrotoxicosis, known or suspected QT interval prolongation & patients unusually responsive to sympathomimetic amines. Hypokalemia, hyperglycemia. Dry mouth. Avoid contact w/ eyes. Not to be used in conjunction w/ medications containing long-acting β2
-adrenergic agonists, halogenated hydrocarbon anaesth. May affect ability to drive & use machines. Moderate to severe renal impairment (CrCl <50 mL/min). Severe hepatic impairment. Pregnancy & lactation. Childn <18 yr.