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