Xanax XR3mg is made of the compound that is known as alprazolam. It belongs to the characterization of the drugs that fall in the category of benzodiazepines. Such kinds of drugs are primarily used to treat the nervous tension that is best known as anxiety. It works effectively as it helps in stabilizing the imbalance occurring in the chemicals of the brain. This drug is used majorly to treat patients who suffer from anxiety disorders, to treat panic and also to treat anxiety that is caused due to depression and stress.