Xanax (Alprazolam) belongs to the class of medicines called benzodiazepines. It is used for the short-term symptomatic relief of excessive anxiety. It is also used to treat generalized anxiety disorder and panic disorder. Xanax (Alprazolam) works by slowing down the brain (central nervous system). Xanax is a brand name for the drug alprazolam, which is a prescription medication used to treat...