Discontinue immediately if paradoxical bronchospasm occurs. Immediate hypersensitivity reactions. Patients predisposed to glaucoma; ocular complications ie, mydriasis, increased IOP, narrow-angle glaucoma, eye pain. Insufficiently controlled DM, recent MI, severe organic heart or vascular disorders, hyperthyroidism, phaeochromocytoma, risk of narrow-angle glaucoma, prostatic hypertrophy or bladder-neck obstruction. Potentially serious hypokalaemia. Chest pain or other symptoms of worsening heart disease; acute, rapidly worsening dyspnoea. Patients w/ cystic fibrosis may be more prone to GI motility disturbances; underlying severe heart disease eg, ischaemic heart disease, tacchyarrhythmia or severe heart failure. May lead to +ve results in doping tests. Monitor serum K levels. May affect ability to drive or use machines. Hepatic or renal impairment. Pregnancy & lactation. Not indicated for ped patient.