All of the following are useful for treating acute bronchial asthma in children except?: (A) 100% Oxygen, (B) Hydrocoisone, (C) Salbutamol, (D) Sodium Cromoglycate inhalation
Answer is D. Cromolyn sodium inhibits the release of histamine, leukotrienes and other mediators from sensitised mast cells exposed to specific antigens. It has no intrinsic anti-inflammatory, antihistamine, or vasoconstrictive effects.