Immediate hypersensitivity reactions. Immediately discontinue if paradoxical bronchospasm occurs. Patients predisposed to glaucoma, insufficiently controlled DM, recent MI, severe organic heart or vascular disorders, patients w/ underlying severe heart disease, hyperthyroidism, phaeochromocytoma, risk of narrow-angle glaucoma, prostatic hypertrophy or bladder neck obstruction, hypoxia, cystic fibrosis. Acute, rapidly worsening dyspnoea. Patients w/ hepatic or renal insufficiency. May affect ability to drive or operate machinery. Pregnancy (especially 1st trimester) & lactation. Not for paed.