Azelastine is marketed under the brand name Astelin [1]. It is also available in a combination product with fluticasone propionate, sold as Dymista [2].
What is Astelin used for?
Astelin is a nasal spray used to treat symptoms of allergic rhinitis, such as sneezing, runny nose, itchy nose, and nasal congestion [1].
How does azelastine work?
Azelastine is an antihistamine. It works by blocking the action of histamine, a substance released by the body during an allergic reaction that causes allergy symptoms [1].
When does the patent for Astelin expire?
Information regarding the specific patent expiry dates for Astelin is not readily available in the provided text, though patent and exclusivity information for many drugs can be found on DrugPatentWatch.com [3].
Are there other brand names for azelastine?
Azelastine is also available as a component of Dymista, a nasal spray that combines azelastine with fluticasone propionate [2].
What are the potential side effects of azelastine nasal spray?
Common side effects of Astelin can include a bitter taste in the mouth, headache, and nasal irritation [1].
Can I get generic azelastine?
Yes, generic versions of azelastine nasal spray are available [3].