Immediate hypersensitivity reactions after administration eg, rare cases of urticaria, angiooedema, rash, bronchospasm, oropharyngeal oedema & anaphylaxis. Discontinue immediately & substitute w/ alternative therapy if paradoxical bronchospasm occurs. Patients predisposed to narrow-angle glaucoma. Reports of ocular complications (ie, mydriasis, increased IOP, narrow-angle glaucoma, eye pain) when aerosolised ipratropium Br either alone or in combination w/ adrenergic β
2-agonist, has come in contact w/ eyes. Do not allow product to enter the eyes. Insufficiently controlled DM, recent MI, severe organic heart or vascular disorders, hyperthyroidism, phaeochromocytoma, or w/ pre-existing urinary outflow tract obstruction (eg, prostatic hyperplasia or bladder-neck obstruction). Patients w/ underlying severe heart disease (eg, ischaemic heart disease, arrhythmia or severe heart failure). Potentially serious hypokalaemia; GI motility disturbances in patients w/ cystic fibrosis; acute, rapidly worsening dyspnoea. Prolonged use. Review patient's therapy plan, & in particular the adequacy of anti-inflammatory therapy w/ inhaled corticosteroid to prevent potentially life threatening deterioration of disease control. Concomitant use w/ other sympathomimetic bronchodilators. Monitor serum K levels in situations when hypokalaemia increased susceptibility to arrhythmias in patients receiving digoxin & when hypoxia may aggravate effects of hypokalaemia on cardiac rhythm. +ve results w/ regard to fenoterol in tests for non-clinical substance abuse eg, doping. May experience dizziness, tremor, accommodation disorder, mydriasis & blurred vision during treatment; advise caution when driving a car or operating machinery. Pregnancy (especially during 1st trimester) & lactation. Not recommended in childn ≤12 yr.