Figure 1

Prescription outcome for patients who started the season on monotherapy, with either (a) oral antihistamine (OAH) or (b) intranasal corticosteroid (INS) and (c) the proportion of seasonal allergic rhinitis (SAR) and nonseasonal upper airways disease (NSUAD) patients prescribing multiple therapies at the start and end of the season, for the 2009 and 2010 seasons. 2009—SAR: n=12,289; NSUAD: n=5,181. 2010—SAR: n=10,766; NSUAD: n=4,764. For c: 2009—SAR: n=18,341; NSUAD: n=6,728; 2010—SAR: n=16,187; NSUAD: n=6,194.