Blue 1mg xanax is used in the treatment of anxiety ;panic disorder and belongs to the drug class benzodiazepines There is positive evidence of human fetal risk during pregnancy. Xanax (alprazolam) is a fast-acting benzodiazepine. It relaxes your emotions and muscles by affecting chemicals in the brain. Alprazolam can slow or stop your breathing, especially if you have recently used an opioid...