Implanon vs. Mirena

Are Implanon and Mirena the Same Thing?

Implanon (etonogestrel) and Mirena (levonorgestrel-releasing intrauterine device) are contraceptives used to prevent pregnancy.

Implanon and Mirena are different types of contraceptives.

Implanon is a contraceptive implant used to prevent pregnancy for up to 3 years.

Mirena is a hormone-releasing system placed in your uterus (intra-uterine device, or IUD) to prevent pregnancy for up to 5 years. Mirena is also used to treat heavy menstrual bleeding in women.

What Are Possible Side Effects of Implanon?

Common side effects of Implanon include:

Other side effects of Implanon include:

  • pain,
  • bruising,
  • numbness,
  • infection,
  • tingling,
  • minor bleeding, and
  • scarring at the site where the rod is placed

What Are Possible Side Effects of Mirena?

Common side effects of Mirena include:

  • missed periods (amenorrhea),
  • bleeding and spotting between periods,
  • heavier bleeding during the first few weeks after device insertion,
  • abdominal/pelvic pain,
  • ovarian cysts,
  • back pain,
  • headache/migraine,
  • nervousness,
  • dizziness,
  • nausea,
  • vomiting,
  • bloating,
  • breast tenderness or pain,
  • weight gain,
  • changes in hair growth,
  • acne,
  • depression,
  • changes in mood,
  • loss of interest in sex,
  • itching or skin rash, and
  • puffiness in the face, hands, ankles, or feet.

What is Implanon?

Implanon (etonogestrel) is a contraceptive used to prevent pregnancy.

What is Mirena?

Mirena (levonorgestrel-releasing intrauterine device) is a form of birth control that is indicated for intrauterine contraception for up to 5 years and for the treatment of heavy menstrual bleeding in women. Mirena is a hormone-releasing system placed in your uterus (intra-uterine device, or IUD) to prevent pregnancy for up to 5 years.

SLIDESHOW

Choosing Your Birth Control Method See Slideshow

What Drugs Interact With Implanon?

Implanon may interact with phenylbutazone, modafinil, St. John's wort, antibiotics, seizure medicines, barbiturates, and HIV medicines.

What Drugs Interact With Mirena?

Mirena may interact with insulin, blood thinners, and steroids.

How Should Implanon Be Taken?

The medicine in Implanon is contained in a small plastic rod that is implanted into the skin of your upper arm. The medicine dose is released slowly into the body. The rod can remain in place and provide continuous contraception for up to 3 years.

How Should Mirena Be Taken?

Mirena contains 52 mg of levonorgestrel (LNG). Initially, LNG is released at a dose rate of approximately 20 mcg/day. This rate decreases progressively to half that value after 5 years. Mirena must be removed by the end of the fifth year and can be replaced at the time of removal with a new Mirena if continued contraceptive protection is desired.

QUESTION

Which of the following are methods for contraception? See Answer
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References

RxList. Implanon Product Monograph.
https://www.implanon-usa.com/
RxList. Mirena Product Monograph.
https://www.mirena-us.com/

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