How to use Xanax for the treatment of anxiety disorder How does Xanax work for anxiety? The generic name of Xanax is Alprazolam online. And Xanax(Alprazolam) belongs to the class of drugs called Benzodiazepines. Therefore Xanax medication is useful for the treatment of anxiety disorder. So after taking Xanax medication, it acts on the central nervous system (CNS). Hence it tries to reduce the activity in the mind, and calm the mind. Therefore people with ADHD feel a sedating and tranquilizing effect after taking this medication. Additionally, doctors prescribe this medication according to the age, weight, sex, and medical conditions of the people. However, doctors usually prescribe 0.25g to 3mg as an initial dose for a young adult person. Also, the doses can vary for every individual. Additionally, you can buy Xanax for anxiety after taking the prescription from a doctor. So you can buy Xanax online without prescription from any online drug store. Also, you can purchase this medication from any nearby drugs store in your locality.