The US Food and Drug Administration has given Sun Pharmaceuticals approval to market a generic version of Optivar, a 0.05% azelastine hydrochloride ophthalmic solution.
Azelastin is a selective antihistamine, used to treat eye itching associated with allergic conjunctivitis.
The sterile azelastine hydrochloride ophthalmic solution is therapeutically equivalent to Optivar ophthalmic solution.