Xanax 2 mg is an effective prescription medication employed for treating intense anxiety, the result of panic disorder, and even in some cases, sleep loss or severe worry. White bar xanax is a form of the alprazolam class that works by affecting GABA brain chemicals, gamma-aminobutyric acid, compounds that promote sedative and relaxing effects. Because of its extreme potency, Xanax 2mg bar has a greater risk of dependence, withdrawal effects, and adverse effects. Always take it under medical supervision for your improved health and never be combine it with alcohol or any CNS depressant, as the combination of both can give life-threatening side effects or even death.