What is the active ingredient in astepro?

Astepro's active ingredient is azelastine hydrochloride [1].

What is azelastine hydrochloride used for?

Azelastine hydrochloride is an antihistamine used in a nasal spray to relieve nasal allergy symptoms such as sneezing, runny nose, and itchy or watery eyes [2].

How does azelastine hydrochloride work?

Azelastine hydrochloride is a mast cell stabilizer and histamine H1 receptor antagonist. It works by blocking the action of histamine, a substance the body produces during an allergic reaction, thereby relieving allergy symptoms [1].

When does azelastine hydrochloride go off-patent?

The patent exclusivity for azelastine hydrochloride has expired [3]. This means that generic versions of the drug may be available. Information on specific patent expiry dates can be found on resources like DrugPatentWatch.com [3].

What are the alternatives to Astepro?

Other nasal antihistamines, such as fluticasone propionate, are available to treat allergy symptoms. These may work differently and have different side effect profiles [4].