What is the brand name for azelastine?

What brand name is azelastine sold under?

Azelastine is commonly sold under the brand name Astelin for intranasal use (nasal spray). [1]

Are there other brand names for azelastine?

Yes. Azelastine is also sold under other brand names depending on the form and country, including Astepro for intranasal use. [1]

Sources:
[1] https://www.drugs.com/azelastine.html