Red Oak Psychiatry Associates: Xanax  
   Information on chemical composition, indications and usage, side effects, and dosage.
   http://www.redoakpsychiatry.com/medications/xanax.html

Xanax Discussion  
   Information regarding the usage of Xanax and other benzodiazepines for the treatment of panic disorder.
   http://www.anxietybookstore.com/Xanax-Discussion.htm

RxList: Alprazolam  
   Information on the antianxiety medication.
   http://www.rxlist.com/cgi/generic/alpraz.htm

DrugDigest: Alprazolam  
   Information on dosage, usage, side effects, interactions, and drug comparisons including generics when available.
   http://www.drugdigest.org/DD/DVH/Uses/0,3915,19|Alprazolam,00.html

PSYweb: Xanax  
   Describes uses, dosage, side effects, and warnings.
   http://www.psyweb.com/Drughtm/xanax.html

Internet Mental Health: Alprazolam  
   Monograph covering pharmacology, precautions, contraindications, and other topics for the antianxiety drug sold as brand name Xanax.
   http://www.mentalhealth.com/drug/p30-x01.html

Xanax XR  
   Resource for patients and US healthcare professionals, from Pfizer. Includes medication description, prescribing information and patient resources.
   http://www.xanaxxr.com/