I assume you are speaking of LEGAL drugs.
And, I'm sure there are shortages in some places.
There is no shortage where I live: large metropolitan area.
Do you know anybody who works in an OR? or an ER? Ask them. There are frequent shortages of critical items.
Drug Shortages: Current Drugs
Current Drug Shortage Bulletins
Generic Name Revision Date
Acetazolamide Injection Jun 05, 2014
Acetylcysteine Inhalation Solution Jun 06, 2014
Acyclovir Suspension Jul 16, 2014
Acyclovir Injection May 08, 2014
Adenosine Injection Jul 18, 2014
Alcohol Dehydrated Injection (Ethanol) Jun 26, 2014
Allopurinol Injection
- See more at: http://www.ashp.org/menu/drugshortages/currentshortages#sthash.kCOWGuAw.dpuf