<qa>  What is the FDA Draft Guidance for Industry, Drug Interaction Studies - Study Design- and supplemented with the FDA Draft Guidance for Industry, Drug Interaction Studies - Study Design, Data Analysis, and Implications for Dosing and Labeling February 2012 ucm292362.pdf, and the University of Washingtons Drug Interaction Database For current lists of medications that may cause QT prolongation andor torsades de pointes TdP, refer to the CredibleMeds website 