Etonogestrel prevents pregnancy for up to 3 years. It is implanted just under the skin of the inner side of your upper arm.

Etonogestrel Overview


Etonogestrel is a medication used to prevent pregnancy for up to 3 years. Etonogestrel belongs to a group of medications called progestin hormone which causes changes in the lining of the uterus and the cervical mucus to keep the sperm from joining an egg and therefore prevents pregnancy.

Etonogestrel is found in an implant that is a flexible plastic rod. It is implanted just under the skin of the inner side of your upper arm by a healthcare provider.

Common side effects of etonogestrel include changes in periods, nausea, weight gain, and headache.

Patient Ratings for Etonogestrel

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Etonogestrel Cautionary Labels


Uses of Etonogestrel

Etonogestrel is a medication found in an implant to to prevent pregnancy.

This medication may be prescribed for other uses. Ask your doctor or pharmacist for more information.

Etonogestrel Brand Names

Etonogestrel may be found in some form under the following brand names:

Etonogestrel Drug Class

Etonogestrel is part of the drug class:

Side Effects of Etonogestrel

Serious side effects have been reported with etonogestrel . See "Drug Precautions" section.

Common side effects of etonogestrel include:

  • Change in periods (lighter, heavier, or absent)
  • Headache
  • Vaginitis (inflammation of the vagina)
  • Weight gain
  • Acne
  • Breast pain
  • Viral infections such as sore throats or flu-like symptoms
  • Stomach pain
  • Painful periods
  • Mood swings, nervousness, or depressed mood
  • Back pain
  • Nausea
  • Dizziness
  • Pain
  • Pain at the site of insertion

This is not a complete list of etonogestrel side effects. Ask your doctor or pharmacist for more information.

Tell your doctor if you have any side effect that bothers you or that does not go away.

Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.