Alprazolam is an anti-anxiety agent benzodiazepine used primarily for short-term relief of mild to moderate anxiety and nervous tension. Alprazolam is also effective in the treatment of activity depression or panic attacks. It can also be useful in treating irritable bowel syndrome and anxiety due to a neurosis. Xanax ( Alprazolam ) may help the symptoms of PMS if extreme, and, if given with various narcotics, the pain from some cancers. Xanax ( Alprazolam ) is used to relieve anxiety, nervousness, and tension associated with anxiety disorders, agoraphobia, essential tremor, fibromyalgia ( low dosage ), and ringing ears. http://www.5moreminutes.com/cgi-bin/a...