B707 Xanax bars are medications that are used to treat panic attacks and anxiety disorders.What do you know about Xanax?Many people know Xanax by its generic name, which is Alprazolam. It is a prescription drug that belongs to the group of drugs called Benzodiazepine. Patients buy Xanax as it is the brand name of the same drug, Alprazolam. The only difference is in the pricing of the drug name. Generic versions are comparatively cheaper in rates as to the brand drugs. Xanax or Alprazolam is one of the most commonly prescribed medications that is taken by the people of the United States.