This is the trade name for the antihistamine azelastine. This is a prescription allergy drop, used for itching and swelling of the eyes and eyelids. I’ve never prescribed this, given the ready supply of other allergy drops like Bepreve, Pataday and over-the-counter drops like Alaway/Zaditor.
Timothy Root, MD
Dr. Timothy Root is a practicing ophthalmologist and cataract surgeon in Daytona Beach, Florida. His books, video lectures, and training resources can be found at www.TimRoot.com