Xanax, the brand name for alprazolam, is a prescription medication used primarily to treat anxiety disorders and panic disorders. It is a member of the benzodiazepine class of medications. It is Effective in treating generalized anxiety disorder (GAD) and other anxiety-related conditions. Xanax Used to manage panic attacks, often with or without agoraphobia. Alprazolam enhances the effects of GABA (gamma-aminobutyric acid), a neurotransmitter that has a calming effect on the brain, which helps reduce anxiety and promote relaxation.