Drug WatchIncreased Risk of Blood Clots with Oral Contraceptives Containing DrospirenoneAschenbrenner, Diane S. MS, RN Author Information Diane S. Aschenbrenner is the course coordinator for undergraduate pharmacology at Johns Hopkins University School of Nursing in Baltimore, MD. She also coordinates Drug Watch: [email protected]. AJN, American Journal of Nursing: September 2012 - Volume 112 - Issue 9 - p 24 doi: 10.1097/01.NAJ.0000418921.53224.ed Buy Metrics Abstract Oral contraceptives containing drospirenone may increase the risk of blood clots at a higher rate than contraceptives containing levonorgestrel. Oral contraceptives containing drospirenone include Beyaz, Safyral, Yasmin, and Yaz. © 2012 Lippincott Williams & Wilkins, Inc.