The pharmaceutical industry has never been entirely forthcoming about the side effects of many drugs. The result of this over the last several years is that they have been forced to list many of these on the bottles and their ads on television and radio are now known for their long lists of side effects at the end of each commercial.
There is now a website that has taken responsibility for making sure that this information is known:
http://www.fastcompany.com/1781633/adverseevents-why-big-pharmaceutical-companies-are-scared-of-this-startup?#