Fig. 1
From: Selecting optimal second-generation antihistamines for allergic rhinitis and urticaria in Asia
Algorithms for selecting second-generation antihistamines for allergic rhinitis and urticaria based on patient profiles. The choice of drugs has been listed in alphabetical order, not by preference. *Based on ARIA and EAACI/GA(2)LEN/EDF/WAO guidelines for allergic rhinitis and urticaria [6, 19]. †Preferred antihistamine in patients with cardiac problems or those who are likely to consume alcohol. ‡Caution should be observed when prescribing antihistamines for elderly patients. §Availability in Asia–Pacific countries is limited. ∥Pregnancy Category B (should be used in pregnancy if clearly needed)