Xanax is a prescription medication used in the treatment of anxiety and panic disorders. It is the brand name for alprazolam, which belongs to a class of medicines called benzodiazepines. Xanax works by increasing the activity of GABA (Gamma-Aminobutyric Acid), a naturally occurring chemical in the brain that helps promote calmness. By enhancing GABA’s effect, the medication helps slow excessive nerve activity, which can reduce feelings of anxiety, fear, tension, and panic. Xanax is known for its fast-acting effects, typically beginning within 30 to 60 minutes. Because it can cause dependence if misused, it should only be taken as prescribed by a qualified healthcare professional.