Xanax is a prescription medication that is indicated by doctors for treating panic disorders, anxiety disorders, and anxiety due to depression. Benzodiazepine is the family of drugs to which Xanax bars belong. The doctors prescribe their patients Xanax when they feel Alprazolam is essential for the treatment. Xanax bars, being alprazolam affects the chemicals that are present in the brain; which could be unbalanced and even cause anxiety. Hence, people use Xanax for treating anxiety and panic disorders. Because it is a safe and effective drug that, when used creates a sense of calm and relaxation by enhancing the number of GABA neurotransmitters present in the brain.