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medicine reaction, irregular periods

many prescription and non-prescription medicines can affect the menstrual cycle. a few examples are:

  • aspirin and other medicines (called blood thinners) that prevent blood clots.
  • non-steroidal anti-inflammatory drugs (nsaids), such as ibuprofen (for example, advil or motrin) and naproxen (for example, aleve).
  • hormonal forms of birth control, such as birth control pills, depo-provera injections, nexplanon implants, and the levonorgestrel iud (mirena).
  • hormone therapy.
  • medicines used to treat cancer (chemotherapy).
  • thyroid medicines.

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this information does not replace the advice of a doctor. healthwise, incorporated, disclaims any warranty or liability for your use of this information. your use of this information means that you agree to the terms of use and privacy policy. to learn more about healthwise, visit healthwise.org. © 1995-2022 healthwise, incorporated. healthwise, healthwise for every health decision, and the healthwise logo are trademarks of healthwise, incorporated.

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