1. 
   azelastine
   (ә-zel´ә-stēn) an antihistamine used intranasally as the hydrochloride salt in treatment of hay fever and topically to the conjunctiva in treatment of allergic conjunctivitis.
   Found op http://www.encyclo.co.uk/local/21001
   
   
2. 
   Azelastine
   The chemical nomenclature of azelastine is (±)-1-(2H)-phthalazinone, 4-[(4-chlorophenyl) methyl]-2-(hexahydro-1-methyl-1H-azepin-4-yl)-monohydrochloride. It is white, almost odorless with a bitter taste. Azelastine has been formulated both as a nasal spray (0.1% and 0.15% solutions) and as eye dro...
   Found op http://en.wikipedia.org/wiki/Azelastine
   
   

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