* Sept. 1999 fluticasone replaced the once popular steroid inhaler, Beclovent and Becloforte
is prescribed if the asthma eludes control by inhaled steroids. by inhalation or ketotifen (Zaditen) orally have been favored to block allergic reactions as preventative measures. Ketotifen is an antihistamine that block other mediators of the inflammatory response such as tumor necrosis factor and can be taken once or twice daily as a preventive medication; it is approved in Canada for the preventative treatment of asthma in children. strategies have shifted away from drugs which relax smooth muscle and dilate the branching tubes in the lung to drugs which block allergic reactions and reduce inflammation.