Not to be inj or swallowed. Sudden & progressive deterioration in asthma control. Patients known to have received large doses of other sympathomimetics; thyrotoxicosis. Acute angle-closure glaucoma in combination w/ ipratropium Br. Avoid eyes from getting contact w/ the soln or mist. Monitor serum K levels in case of hypokalemia. Concomitant use w/ xanthine derivatives, steroids, diuretics; hypoxia in acute severe asthma. Discontinue use if paradoxical bronchospasm occur. Induced reversible metabolic changes (eg, increased blood sugar levels) & ketoacidosis may develop in diabetic patient. Lactic acidosis in association w/ high therapeutic doses of IV & nebulized short-acting β-agonist therapy. Monitor for elevated serum lactate & metabolic acidosis development. Pregnancy. Not recommended during lactation. Infants <18 mth.