Onbrez Breezhaler cap must not be swallowed. Immediately discontinue & institute alternative therapy in case of signs suggesting allergic reactions. Should not be used in asthma. Not indicated for the treatment of acute episodes of bronchospasm ie, as rescue therapy. Risk of paradoxical bronchospasm; clinically significant CV effect in some patients; ECG changes eg, flattening of the T wave, prolongation of QT interval & ST segment depression; significant hypokalaemia in some patients; increases in plasma glucose w/ high dose inhalation. Patients w/ rare hereditary problems of galactose intolerance, total lactase deficiency or glucose-galactose malabsorption should not take this medicinal product. No data available for use in patients w/ severe hepatic impairment. Pregnancy & lactation. No relevant use in paed population (<18 yr).