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 ...

While Astepro Allergy can be purchased over-the-counter, GoodRx Health notes that the generic version of the drug -- ...

For patients with allergic rhinitis, twice-daily azelastine plus fluticasone cut nasal symptoms ... all treatments were administered as one spray twice daily to preserve blinding.

For patients with moderate-to-severe SAR that is uncontrolled on nasal steroids alone ... could be started as first-line therapy, but azelastine has a bitter taste, and two different sprays ...