Xanax is the trademark name of the medication alprazolam, which is not normally used to treat depression because there are many newer and safer drugs available. Xanax 3 Mg is a medication approved by the Food and Drug Administration (FDA) to treat nervousness and panic disorders. By panic condition, we signify sudden panic attacks in which a person cannot control himself. The situation can be very disturbing and requires instant medical care. For this, people can buy Xanax which has been one of the best panic disorder medicines.