What is Xanax? Xanax (Alprazolam) is an oral prescription medicine that belongs to the class of drug TBZD (Triazolobenzodiazepine) of medium duration that accelerates the GABA activity that tames down the anxiety, comorbid depression, panic disorders, phobia, and mild insomnia. Buy Xanax online to taper the host of the issue and keep stress at bay. In addition, it is also used for recreational purposes as it is habit-forming and may lead to addiction.