Allergic rhinitis.
D002648:Child; D006634:Histamine H1 Antagonists / Q000627:therapeutic use; D006801:Humans; D007167:Immunotherapy; D007223:Infant; D014663:Nasal Decongestants / Q000627:therapeutic use; D012141:Respiratory Tract Infections / Q000209:etiology; D012221:Rhinitis, Allergic, Perennial / Q000150:complications / Q000175:diagnosis* / Q000628:therapy; D006255:Rhinitis, Allergic, Seasonal / Q000150:complications / Q000175:diagnosis* / Q000188:drug therapy
D006634:Histamine H1 Antagonists; D014663:Nasal Decongestants