Xanax is a medication used to treat anxiety Panic disorder with or without the fear of open spaces, also called agoraphobia. The common generic name of Xanax is alprazolam which is a part of the benzodiazepine drug class. To treat panic disorder, you’ll likely take Xanax three times per day. Xanax XR works over about 24 hours, so you need to take a dose once per day. It also comes in a liquid or concentrated form. Alprazolam produces a calming effect on the brain, which helps to reduce anxiety. Buy Generic Xanax 2 mg Online without a prescription and get exciting offers!!.