Xanax stress buster is a prescription medicine that has been there since 1981. It helps treat anxiety and panic disorder and reduces the abnormal excitement in the brain. Xanax is affiliated with the benzodiazepines drug class. Xanax is a sedative pill that reduces the thinking power of the brain. And releases relaxed and calming effects that make the user anxious and stress-free. Going Cold Turkey The sudden termination of a drug or sedative without any medical help means cold turkey. Many people believe that stopping the drug is the only way to stop the addiction and its side effects. But that's not the case with benzodiazepines like "Xanax." Xanax is the most toxic medication. And despite being the most prescribed medication in the United States, Xanax is not a safe medicine to be used by everyone.