Azelastine HCl 137mcg/spray; aqueous nasal spray; contains benzalkonium chloride. Avoid engaging in hazardous occupations requiring complete mental alertness such as driving or operating machinery ...

Since an antihistamine didn't work, it seems likely that you might have nonallergic rhinitis, and a nasal spray like ipratropium is usually effective for this. I also recommend azelastine nasal ...