Xanax, the brand name for alprazolam, is a prescription medication that belongs to the benzodiazepine class. It is commonly used to treat anxiety disorders and panic disorders. Xanax is used To manage symptoms of generalized anxiety disorder (GAD) and other anxiety conditions. It is also used To treat panic attacks and panic disorder with or without agoraphobia. Alprazolam works by enhancing the effects of gamma-aminobutyric acid (GABA), a neurotransmitter that has a calming effect on the brain and nervous system, which helps to reduce anxiety and panic symptoms.