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Amethia

Drug Interactions

Amethia may react with a number of other medications (see Drug Interactions With Amethia).

What If I Overdose on This Contraceptive?

Women who take too much Amethia may experience the following symptoms:
  • Nausea
  • Vomiting
  • Vaginal bleeding
  • Other menstrual irregularities.
(Click Seasonique Overdose for more information.)

What If I Forget a Dose of Amethia?

Missing doses of Amethia increases the risk of pregnancy. What you should do depends on how many tablets you have missed and where exactly you are in your cycle (see Amethia Dosage). If you are not sure what to do, refer to the patient information that comes with each pack of Amethia, or consult your healthcare provider.

How Does It Work?

Amethia is a combined oral contraceptive, which means that it is a birth control pill that contains two different types of hormones. It contains both an estrogen (ethinyl estradiol) and a progestin (levonorgestrel). The hormones in Amethia work to prevent pregnancy primarily by stopping ovulation (the maturation and release of eggs from the ovaries).
Amethia also works to prevent pregnancy in two other, minor ways. It changes the cervical mucus (the fluid of the cervix, which is the lower, narrow part of the uterus that is connected to the vagina), making it more difficult for sperm to enter the uterus. It also alters the lining of the uterus (called the endometrium), making it less receptive to an embryo.
There is no reason women need to have a monthly period while taking birth control pills -- in fact, the "period" you experience while taking birth control pills isn't really a period at all. Because ovulation does not occur while taking a birth control pill, the body does not prepare for a possible pregnancy by building up the lining of the uterus. Therefore, there is no need to shed the lining (as with a regular period). Instead, the "period" that occurs due to birth control pills is actually caused by a withdrawal of the hormones in the pills, which causes bleeding.
Last reviewed by: Kristi Monson, PharmD
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