FENOTEROL IS A DIRECT-ACTING SYMPATHOMIMETIC WITH BETA-ADRENOCEPTOR STIMULANT ACTIVITY LARGELY SELECTIVE FOR BETA2 RECEPTORS (A BETA2 AGONIST). IT HAS ACTIONS AND USES SIMILAR TO THOSE OF SALBUTAMOL AND IS USED AS A BRONCHODILATOR IN THE MANAGEMENT OF REVERSIBLE AIRWAYS OBSTRUCTION, AS OCCURS IN ASTHMA AND IN SOME PATIENTS WITH CHRONIC OBSTRUCTIVE PULMONARY DISEASE. ON INHALATION, FENOTEROL ACTS RAPIDLY (2 TO 3 MINUTES) AND HAS A DURATION OF ACTION OF ABOUT 6 TO 8 HOURS.