MSN -- It only took two small pills to alter the course of Veronica Zenkner’s life forever. Seven years ago, Zenkner, then 13, popped a couple of ibuprofens over the course of two days, hoping to get rid of a headache — something she’d done many times in the past. But this time the drug triggered an allergic reaction that left the basketball-loving teen fighting for her life in a hospital burn unit.
