Xanax is primarily used to treat anxiety disorders, panic disorders, and anxiety caused by depression. It works by enhancing the activity of a neurotransmitter called gamma-aminobutyric acid (GABA), which helps to reduce the activity of certain areas of the brain that are responsible for anxiety and panic. Xanax is a prescription medication, and its dosage should be strictly followed. The lowest effective dose should be administered, and the daily dosage reduction should be gradual. Xanax should not be taken during pregnancy or while breastfeeding. Misuse of Xanax can lead to addiction, overdose, or death. It is dangerous to purchase Xanax outside the US or on the internet. Xanax can slow or stop breathing, and sudden withdrawal can lead to life-threatening symptoms.