Buy Xanax XR 3mg online with prompt home deliveries for fast and discreet access to extended relief. Xanax XR (extended-release alprazolam) is used to treat generalized anxiety disorder and panic attacks by gradually releasing medication throughout the day. The 3mg dosage is typically reserved for individuals with severe symptoms and should be used only under a doctor’s supervision. This formulation helps maintain steady calming effects, reducing the need for multiple daily doses.