Just found this:
Propranolol ( Inderal ) is a antianginal,antiarrhythmic,antihypertensive,antitimigraine drug, and beta blocker. Propranolol ( Inderal ) is not a benzodiazepines,it belongs to a group of drugs known as beta blockers.
Beta blockers are not FDA approved for the treatment of anxiety or nervous tension but are generally used to do so. Propranolol ( Inderal ) is also used in the treatment of aggressive behavior, angina,certain types of pain,high blood pressure,migraine headaches,narcotic withdrawal,panic attacks,pectoris,phobias, schizophrenia,tremors,to help prevent second heart attack,and the effects of antipsychotic drugs.This drug is not habit forming and may be taken for months or even years.
source:
http://www.psyweb.com/Drughtm/inderal.html