Which of the following drugs has been found to be useful in acute severe asthma
Magnesium sulphate by Iv or inhalation route has been used for the treatment big acute severe asthma All other drugs mentioned in the options are used for prophylaxis of asthma Refer Harrison 17/e p 1605
Magnesium sulphate
Anti-leukotriene
Cromolymln sodium
Cyclosporine
Respiratory system