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Are there any risks in taking levonorgestrel?

An allergic reaction may occur when you use levonorgestrel, causing hives, trouble breathing, head and neck swelling. If you have diabetes, levonorgestrel may alter your blood sugar levels and put you at high risk for complications. Certain medical conditions and taking certain medications can make levonorgestrel dangerous. These include: stroke or brain bleeding, a blood clotting disorder and breast cancer, as well as taking St. John's Wort, rifampin and nevirapine.

Continue Learning about Levonorgestrel

Is there a generic version of levonorgestrel?
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Levonorgestrel is sold under the trade names Plan B and Plan B One-Step. Plan B is sold over-the-cou...
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How should I take levonorgestrel?
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Levonorgestrel tablets need to be taken within 72 hours of unprotected sexual intercourse to be ...
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What should I avoid while taking levonorgestrel?
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You should avoid having unprotected sexual intercourse while taking levonorgestrel. It does not ...
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How does the levonorgestrel-releasing implant prevent pregnancy?
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The levonorgestrel-releasing implant, which uses a progestin hormone, prevents pregnancy in a fe...
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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.