DrugDigest: Alprazolam: Information on dosage, usage, side effects, interactions, and drug comparisons including generics when available.Internet Mental Health: Alprazolam: Monograph covering pharmacology, precautions, contraindications, and other topics for the antianxiety drug sold as brand name Xanax.PSYweb: Xanax: Describes uses, dosage, side effects, and warnings.Red Oak Psychiatry Associates: Xanax: Information on chemical composition, indications and usage, side effects, and dosage.RxList: Alprazolam: Information on the antianxiety medication.Xanax Discussion: Information regarding the usage of Xanax and other benzodiazepines for the treatment of panic disorder.Xanax XR: Resource for patients and US healthcare professionals, from Pfizer. Includes medication description, prescribing information and patient resources.