All of the following drugs useful in the treatment of a patient with acute bronchial asthma except :
High-Yield Explanation
Answer is C (Montelukast): `Leukotriene modifiers (eg. Monteleukast, Zafirulukast) may be considered as alternatives to low dose inhaled coicosteroids in patients with mild persistent asthma' - CMDT They have no role in aboing an attack of acute severe asthma.