Is Xanax considered an opiate ? The 2 classes of drugs, Opioids and Benzodiazepines. Xanax belongs to The category of medicines often called Benzodiazepines and it is prescribed to deal with stress and stress Issues. Benzodiazepines would be the CNS depressants that induce sedation whereas opioids are definitely the narcotic http://crazyrxman.blogspot.com/2017/05/not-so-goodrx-part-i.html