Beyaz is remarkably similar to other fourth-generation birth control pills in that it contains drospirenone and estrogen/progestin in similar doses. The main difference is that Beyaz also includes folic acid. Fourth-generation oral contraceptives are those that contain drosperinone, a synthetic version of progestin/progesterone. In April 2012, the FDA issued a Drug Safety Communication about drospirenone-containing birth control, noting that such birth control may be linked to a higher risk of blood clots than other birth control that contained progestin.
The FDA’s announcement was based on a review of epidemiologic studies that analyzed the risk of blood clots in women who took drospirenone-containing birth control. At the time, the FDA noted that the label for Beyaz, as well as other fourth-generation birth control pills, would be updated to include information that the risk of blood clots reported in some studies was as high as three times that over other birth control products. Other studies did not find such a risk.
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Because Beyaz has similar formulations to other fourth-generation birth control, it is possible that it would have a similar risk of blood clots and death. Lawsuits have been filed in Canada and the US against Bayer, maker of Yaz, Yasmin and Beyaz, alleging the birth control products caused harm to patients.