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FDA Safety Alert: Birth Control Pills Containing Drospirenone May Cause Higher Risk of Blood Clots

By HERWriter
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The U.S. Food and Drug Administration (FDA) recently released a safety alert for women taking birth control pills with drospirenone. The reason: a possible risk of increased blood clots.

Most birth control pills contain two types of hormones, estrogen and progestin. The FDA described drospirenone as a type of female sex hormone called a progestin.

WebMD reported that the agency’s decision to investigate these birth control pills was based on two newly published studies. Those studies suggested an increased risk for blood clots may exist in women taking pills containing drospirenone, a synthetic version of the hormone progestin, as compared to women taking birth control pills that contain levonorgestrel, another version of progestin.

All hormonal oral contraception has a small risk of blood clots. But Time Magazine reported that the two studies, published in April, 2011 in the British Medical Journal, found women aged 15-44 taking drospirenone-containing birth control pills were two to three times more likely to develop blood clots that develop in the deep veins of the legs, than women using older pills containing the progestin levonorgestrel.

The Wall Street Journal reported that blood clots form inside a vein and are known as deep vein thrombosis, or DVT. The clots usually form in the lower leg or thigh, but can break loose and travel to other areas of the body such as the lungs, where they are called a pulmonary embolism, or PE.

The FDA released a list of drospirenone-containing products. These include Yaz (generics Gianvi and Loryna), Yasmin (generics Ocella, Syeda, and Zarah), Beyaz, and Safyral.

Even though these two studies reported a higher risk of blood clots, other studies have not. Now the FDA is charged with evaluating the results from the conflicting results. Furthermore, the agency plans to review all available information on drospirenone-containing birth control pills. This will allow it to fully assess the risks and benefits associated with drospirenone.

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We value and respect our HERWriters' experiences, but everyone is different. Many of our writers are speaking from personal experience, and what's worked for them may not work for you. Their articles are not a substitute for medical advice, although we hope you can gain knowledge from their insight.

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