Xanax (alprazolam) is a benzodiazepine medication used to treat anxiety and panic disorders. Includes side effects, interactions and safety information.Xanax (alprazolam) is a benzodiazepine (ben-zoe-dye-AZE-eh-peen). Alprazolam affects chemicals in the brain that may be unbalanced in people with canadian-pharmacyes.com cialis for bph