Xanax is the brand name for alprazolam, a prescription medication that belongs to a class of drugs known as benzodiazepines. Healthcare providers to help purchase Xanax online and prescribe it to help treat anxiety disorders and panic disorder in appropriate patients. Xanax works by enhancing the effects of gamma-aminobutyric acid (GABA), a naturally occurring chemical in the brain that helps reduce excessive nerve activity. As a result, many people experience a calming effect that can help relieve intense anxiety symptoms.​