Medication | Last dose before OFC |
---|---|
Oral antihistamines | 3-10d |
Cetirizine | 5-7d |
Loratadine | 7d |
Oral H2 receptor antagonist | 12 h |
Oral long-acting β2-agonist | 24 h |
Theophylline (liquid) | 24 h |
Leukotriene antagonist | 24 h |
Oral/intramuscular/intravenous steroids | 3d-2wk |