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Interaction with other medication

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

Authoring team

Women who use contraceptive hormones simultaneously with other drugs may have increased or decreased serum levels of

  • contraceptive hormones - due to the concomitant drug or
  • concomitant drugs - due to the hormonal contraceptives themselves (1)

Some of the drugs which interfere with the way the pill works include

  • drugs that treat epilepsy and tuberculosis, and some antibiotics
  • other medicines, such as sedatives and tranquilisers, may also have this effect

The patient may have to use another method of contraception as well, e.g. a condom, while they are taking the medicines - and for a further seven days.

Hence before prescribing hormonal contraceptions, health professionals should inquire women about their current and previous drug use (including prescription, over the counter, herbal, recreational drugs and dietary supplements) (1).

Patients should be educated about the possibility of hormonal contraceptive interacting with other drugs and the importance of consulting a health professional before starting any new drugs (1).

Reference:


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The content herein is provided for informational purposes and does not replace the need to apply professional clinical judgement when diagnosing or treating any medical condition. A licensed medical practitioner should be consulted for diagnosis and treatment of any and all medical conditions.

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