<prompt> Ipratropium bromide used in bronchial asthma is:Beta SympothomimeticsMethylxanthinesAnticholinergicMast cell stabilizers  <response>: CLASSIFICATION of asthma drugs1.Bronchodilators - aSympathomimetics: Salbutamol, Terbutaline, Bambuterol, Salmeterol, Formoterol, Ephedrine. bMethylxanthines: Theophylline anhydrous, Aminophylline, Choline theophylline, Hydroxyethyl theophylline, Theophylline ethanolate of piperazine, Doxophylline. cAnticholinergics: Ipratropium bromide, Tiotropium bromide. 2.Leukotriene antagonists: Montelukast, Zafirlukast. 3.Mast cell stabilizers: Sodium cromoglycate, Ketotifen. 4.Coicosteroids - aSystemic: Hydrocoisone, Prednisolone and others. bInhalational: Beclomethasone dipropionate, Budesonide, Fluticasone propionate, Flunisolide, Ciclesonide. 5.Anti-lgE antibody :Omalizumab ESSENTIALS OF MEDICAL PHARMACOLOGY 7TH EDITION KD TRIPATHI PAGE NO:222 