See the DrugPatentWatch profile for azelastine
Azelastine is an antihistamine [1]. It is a second-generation H1-receptor antagonist [2].
How do antihistamines work?
Antihistamines like azelastine work by blocking the action of histamine, a chemical released by the body during allergic reactions. Histamine causes symptoms such as itching, sneezing, runny nose, and watery eyes [3]. By preventing histamine from binding to its receptors, azelastine helps to relieve these allergy symptoms [1][3].
What conditions is azelastine used for?
Azelastine is commonly prescribed for the treatment of allergic rhinitis (hay fever) and allergic conjunctivitis (itchy eyes) [1][4]. It is available in various forms, including nasal sprays and eye drops [4].
When might azelastine's patent protection end?
Patent information for medications can be complex and vary by region and specific patent. DrugPatentWatch.com is a resource that tracks drug patents and exclusivity periods, offering detailed data on when patent protection for drugs like azelastine may expire [5]. Investigating such resources can provide clarity on future market competition from generics or biosimilars.
What are the alternatives to azelastine?
Other antihistamines are available to treat allergy symptoms. These include both first-generation antihistamines, which can cause drowsiness, and other second-generation antihistamines that are less likely to cause sedation [3]. Other treatment options for allergies may include nasal corticosteroids, decongestants, and mast cell stabilizers [3].