CLICK HERE TO BUY NOW Buy Xanax 2mg Online with Securelly USPS Delivery Xanax, generically known as alprazolam, is a benzodiazepine commonly prescribed to treat anxiety disorders, panic attacks, and insomnia. It works by enhancing the effects of gamma-aminobutyric acid (GABA), a neurotransmitter that reduces neuronal excitability, leading to a calming effect. Xanax is known for its rapid onset of action, making it particularly useful for acute anxiety and panic. Common side effects include drowsiness, dizziness, and impaired coordination.