How can this medicine affect other medicines?

Beta-blockers such as atenolol, propranolol or timolol should not generally be taken with this medicine. This is because beta-blockers have an opposite action to this medicine and can cause the airways to narrow. This can result in breathing difficulties for people with asthma or chronic obstructive airways disease. Eye drops containing beta-blockers should also be avoided. Eformoterol can potentially cause a serious decrease in the levels of potassium in the blood (hypokalaemia), which may result in adverse effects. This effect can be increased by the following medicines:- - xanthine derivates such as theophylline - corticosteroids such as beclometasone and prednisolone - diuretics such as bendrofluazide and frusemide. There may be an increased risk of abnormal heart rhythms (arrhythmias) if hypokalaemia occurs while taking this medicine. There may also be an increased risk of abnormal heart rhythms if medicines that can cause changes to the heart monitoring trace (prolonged QT interval on an ECG) are taken with these medicine. These include: - medicines for abnormal heart rhythms (antiarrhythmics) such as quinidine, procainamide, amiodarone and disopyramide - tricyclic antidepressants such as amitriyptyline - antipsychotics such as thioridazine - sotalol - terfenadine - astemizole - cisapride. There may be an increased risk of adverse effects if eformoterol is taken at the same time as other similar medicines (sympathomimetics).

Other medicines containing the same active ingredients

Foradil inhalation capsules

Formoterol (eformoterol) fumarate

Oxis turbohaler

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