What is Xanax used to treat? Xanax is a benzo medication (short for benzodiazepine) that produces a sedative effect on the brain. Doctors use this medication to treat symptoms related to anxiety and panic disorder. Xanax is a CNS depressant. It quickly relieves the sign of anxiety in a person. It works by strongly binding to a brain neurotransmitter which produces a calming effect. It ceases the extra activity of nerves and reduces anxiety. Buy Xanax Online also induces sleeping which helps you in treating sleep difficulty related to anxiety. Can you overdose on Xanax? Few people can be sensitive to Xanax and can overdose on Xanax even if they take a limited amount of this medication. Taking Xanax with opioid medicines, alcohol, or another central nervous system depressant can increase your risk of Xanax overdose. Doctors recommend avoiding them while taking Xanax medication. The overdose of Xanax can be fatal and cause serious life-threatening situations. It is highly recommended to take the dose in the prescribed amount for the prescribed duration.