Xanax works by enhancing the activity of a neurotransmitter called gamma-aminobutyric acid (GABA), which helps to calm the nervous system. This can help alleviate symptoms of anxiety and panic.Xanax is used to treat anxiety disorders and anxiety caused by depression.
Xanax is also used to treat panic disorders with or without a fear of places and situations that might cause panic, helplessness, or embarrassment (agoraphobia).