Xanax is known as alprazolam. It is a benzodiazepine that is used to treat anxiety and panic disorder. Xanax is a category of medicine. It calms down your nervous system. Do not take more time if you are taking it you can take it with breakfast or without breakfast. It causes serious side effects including depressed mood, confusion, and agitation. Xanax is available in 1mg,2mg,3mg, and 0.5mg.