Benzodiazepines are a drug class that calms the mind. Therefore, Xanax belongs to the same drug class. It contains alprazolam and has the same generic version. Also, according to the DEA (Drug Enforcement Agency), it is a schedule IV controlled substance. Therefore, it has the potential for abuse, addiction, dependence, and overdose. Xanax is a prescription drug and a controlled substance. Therefore, people abuse it for its after-effects. Therefore, people sell it illegally. So, some street names are: School bus Yellow boys White boys Footballs Z-Bars Zanzibar Xannies Zanbar Nerve pills Benzos Chill pills These are some common street names that people use for Xanax bars and other benzodiazepines.