Filed Under: Pradaxa Pradaxa Problem Unravels August 28, 2012 By Guest Author Leave a Comment Authored by Ned McWilliams In the first twelve weeks Pradaxa was on the market, more than 300 serious adverse events were reported to the FDA. Within six months of hitting pharmacies and doctors??? sample cabinets, the number of adverse events skyrocketed to more than 900, including over 100 deaths.