Order Xanax Online Free Home Shipping, Xanax, also known by its generic name alprazolam, is a medication commonly used to treat anxiety and panic disorders. It's part of a group of drugs called benzodiazepines, which work by increasing the effects of a brain chemical called GABA. This helps to calm the brain and reduce anxiety. Xanax is usually taken by mouth and comes in different forms, including immediate-release and extended-release tablets, as well as orally disintegrating tablets. The dosage and how often you take it depend on your specific condition and how you respond to the medication.