No rescue medication |
0 |
Nasal / ocular / oral antihistamine or bronchodilator |
1 |
Nasal corticosteroid, inhaled corticosteroid |
2 |
Leukotriene receptor antagonist |
3 |
Leukotriene receptor antagonist and nasal corticosteroid |
4 |
Leukotriene receptor antagonist and antihistamine (nasal/ocular/oral)
with or without corticosteroid (nasal/inhaled) |
5 |
Oral corticosteroid |
6 |