Azelastine (Nasal) - FamilyDoctor.org Information for patients in English or Spanish. http://www.familydoctor.org/cgi-bin/multum.pl?op=GetLeaflet&id=13630&name=azelastine%20nasal
Optivar Full prescribing information from RxList. http://www.rxlist.com/cgi/generic/optivar.htm
