Step 1 | Bronchodilator only |
---|---|
Step 2 | Low dose inhaled corticosteroid (⩽400 μg/day BDP or budesonide or ⩽200 μg fluticasone) or regular sodium cromoglycate or nedocromil sodium |
Step 3 | High dose inhaled corticosteroid (⩾800 μg/day BDP or budesonide, or ⩾500 μg fluticasone) or low dose (as for step 2) plus a long acting β agonist |
Step 4 | High dose inhaled corticosteroid (as for step 3) plus a regular bronchodilator |
Step 5 | Regular oral corticosteroid therapy |
BDP = beclomethasone dipropionate.
From British Thoracic Society et al.1