Xanax, the brand name for alprazolam, is primarily prescribed for the management of anxiety disorders and panic disorder. Xanax may be prescribed to individuals with GAD, which is characterized by excessive worry and tension that persists for at least six months. Xanax can help alleviate symptoms such as restlessness, irritability, muscle tension, and difficulty concentrating . Xanax is often used to treat panic disorder, which involves recurrent and unexpected panic attacks.