All are used in the acute attack of asthma in a 4-year-old child except –
Treatment of acute exacerbation of asthma

Acute exacerbation may be graded as


Mild
Moderate                  
Severe             
Life-threatening (status epilepticus).

Grading of Severity of Acute Asthma
Theophylline
Corticosteroids
Sedatives
Salbutamol