title: Allergic rhinitis during pregnancy.
abstract: During pregnancy, the first-choice drugs for allergic rhinitis are nasal or oral "non-sedating" antihistamines without antimuscarinic activity, in particular cetirizine, or loratadine after the first trimester.
mesh_terms: D000014:Abnormalities, Drug-Induced; D000281:Administration, Intranasal; D000284:Administration, Oral; D018927:Anti-Asthmatic Agents / Q000627:therapeutic use*; D005260:Female; D006634:Histamine H1 Antagonists / Q000627:therapeutic use; D039563:Histamine H1 Antagonists, Non-Sedating / Q000627:therapeutic use*; D006801:Humans; D011247:Pregnancy; D011248:Pregnancy Complications / Q000188:drug therapy*; D065631:Rhinitis, Allergic / Q000188:drug therapy*
chemical_list: D018927:Anti-Asthmatic Agents; D006634:Histamine H1 Antagonists; D039563:Histamine H1 Antagonists, Non-Sedating