Green Xanax Bar Overnight Delivery With Credit Card | Green Xanax Bar Overnight Delivery With Credit Card | Green Xanax Bar Overnight Delivery With Credit CardnnUsesnThis medication is used to treat the panic and anxiety symptoms associated with panic disorder. Alprazolam belongs to a class of medications called benzodiazepines which act on the brain and nerves (central nervous system) to produce a calming effect. nnHow to use Alprazolam ERnRead the Medication Guide provided by your pharmacist before you start taking alprazolam and each time you get a refill.