Find patient medical information for Alprazolam (Xanax) on WebMD including its uses, side effects and safety, interactions, pictures, warnings, and user ratings Xanax XR (Alprazolam) may treat, side effects, dosage, drug interactions, warnings, patient labeling, reviews, and related medications including drug comparison and health resources. Xanax XR is a benzodiazepine used to treat panic disorder, with or without a fear of places and situations that might cause agoraphobia. Each XANAX XR extended-release tablet, for oral administration, contains 0.5 mg, 1 mg, 2 mg, or 3 mg of alprazolam. The inactive ingredients are lactose, magnesium stearate, colloidal silicon dioxide, and hypromellose. In addition, the 1 mg and 3 mg tablets contain D & C yellow No. 10 and the 2 mg and 3 mg tablets contain FD&C blue No. 2. What is Alprazolam XR? Learn about its uses, dosage, how to take it, who should avoid it, cost, and everything you need to know about this medication in 2026. Xanax XR (alprazolam) is used to treat anxiety disorders, panic disorders, and anxiety caused by depression. Includes Xanax XR side effects, interactions, indications Xanax XR ® ← US Product Catalog Xanax XR® (alprazolam extended-release tablets) Equivalent of: Zyloprim * Category: Human Prescription Drug Strength: XANAX XR (ZAN-aks XR) (alprazolam) extended-release tablets, C-IV - What is the most important information I should know about XANAX XR? • XANAX XR is a benzodiazepine medicine. Alprazolam, sold under the brand name Xanax among others, is a fast-acting, potent tranquilizer of moderate duration within the triazolobenzodiazepine group of chemicals called benzodiazepines. [15] Alprazolam ER (Xanax XR) is a long-acting benzodiazepine. It's taken by mouth once daily to treat panic disorder in adults. Alprazolam ER (Xanax XR) can cause drowsiness, but less so compared to short-acting alprazolam (Xanax). Don't take alprazolam ER (Xanax XR) with alcohol because doing so can lead to serious side effects, such as confusion and agitation.