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Recent studies have concluded that the risk of blood clots is greater for women who take a birth control containing drospirenon (including Yaz) than any other kind of birth control.

Recent studies have concluded that the risk of blood clots, venous thromboembolisms, is greater for women who take a birth control containing drospirenon (including Yaz) than any other kind of birth control. The risk of blood clots is reported to be more than 3x greater when taking Yaz.

Yaz has been under fire for marketing its product for unproven benefits not approved by the Food and Drug Administration (FDA). Numerous news stories have offered horrific anecdotes of women affected by this mislabeling. Stories of young women taking Yaz primarily for clearer skin or to treat PMS symptoms (of which neither Yaz was approved for) suffering stroke or deep vein thrombosis causing permanent disability and even death have been featured on different news reports.

Bayer, the manufacturer of Yaz, denied any wrongdoing. However, Bayer agreed to air $20 million worth of television advertising that clearly stated that Yaz was not for the treatment of PMS or mild acne. As millions of women were already taking Yaz, potentially for those reasons, the new ads for Yaz were seen as too little too late.

If you or a loved one has suffered an adverse medical event from a blood clot, heart attack, or stroke while taking Yaz, contact The Law Offices of Larry H. Parker today. Our experienced team of pharmaceutical litigation attorneys is currently pursuing legal action against the makers of Yaz. We offer 100% free consultations.

Yaz® is a registered trademark of Bayer Pharmaceuticals

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Reviewed & Verified by:
Ron Beck
Managing Partner

Last Updated: February 24, 2026

This content has been reviewed by Ron Beck to ensure it accurately reflects current California personal injury statutes, CACI jury instructions, and the legal standards of the Law Offices of Larry H. Parker. Ron Beck has over 30 years of experience litigating complex personal injury cases in Los Angeles.

Professional Credentials:

  • Member, State Bar of California
  • Recognized by Super Lawyers & Best Lawyers
  • University of San Diego School of Law, J.D.