CHICAGO, IL - SEPTEMBER 29: Primatene Mist is offered for sale at Barry's Drugs on September 29, 2011 in Chicago, Illinois. Primatene Mist, the only over-the-counter inhalers approved by the U.S. ... more 
CHICAGO, IL - SEPTEMBER 29: Primatene Mist is offered for sale at Barry's Drugs on September 29, 2011 in Chicago, Illinois. Primatene Mist, the only over-the-counter inhalers approved by the U.S. Food and Drug Administration to treat asthma, will no longer be available after December 31 because the inhaler contains ozone-depleting chlorofluorocarbons (CFCs) which are being phased out. (Photo by Scott Olson/Getty Images) less 
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Getty Images | Photo By Scott Olson / Getty Images
Thu, Sep 29, 2011 6:04 PM EDT