AIRFLOW 250 is Fluticasone and salmeterol inhaler IP that is inhaled to prevent asthma attacks. It is also prescribed to treat chronic obstructive pulmonary disease (COPD). There is another medicine for asthma attack that has already been started, as this medicine will not provide relief. This medication is inhaled with a special inhaler. If the patient has not used an inhaler before, it is important to learn how to properly use it. AIRFLOW 250 is taken for as long as suggested by the doctor.