etonogestrel (implant)

What is Etonogestrel?

Etonogestrel is a hormone that is produced to prevent the release of eggs into an ovary, also known as Ovulation. This medicine alters your cervical mucus as well as uterus lining, and thus makes it difficult for sperm to reach the uterus as well as fertizliing the egg to connect to the uterus. Ethonogestrel implant are mainly used as a contraception to avoid pregnancy. The implant is implemented in a little plastic rod which is inserted in the upper arm of the skin. Etonogestrel Ethinyl Estradiol medicine is then slowly released into the blood stream. This implant is able to stay in place as a contraceptive implant which lasts up to 3 years.

Etonogestrel Precautions

Do NOT use Etonogestrel Implant if you have any of the following medical conditions:

  • unusual vaginal bleeding
  • liver cancer
  • liver disease
  • history of breast cancer
  • heart attacks
  • stroke
  • blood clots

Avoid using Etonogestrel Implant as it can increase the risk of strokes and heart attacks especially if you have an overweight condition. Smoking can also significantly increase these risks, and it is not suggest that you use an Ethonogestrel Implant.

Do NOT use if you recently have had a baby or if you are currently pregnant. 

Do NOT use the implant if you are breast feeding.

How Etonogestrel Implant is used?

Etonogestrel Implant is embedded under the skin of your arm by a needle while being under local anesthesia. After the implant is embedded, your arm will be covered in two separate bandages. The top bandage can be removed after 24 hours, however, the smaller bandage should be left on for 3 to 6 days. It is important to keep the area dry and clean. If you cannot feel the implant under your skin within these few days after it was inserted, notify your doctor.

Etonogestrel implant can be used as birth control for up to 3 years if implant is placed correctly.

Irregular periods may occur when using the Etonogestrel implant. Notify your doctor if you miss a period (you may be pregnant), or if your periods are heavy or long lasting.

The Etonogestrel Implant needs to be removed out of your arm at the end of the 3rd year. After removing the implant, your body has the ability to become pregnant really quickly as the medicine etonogestrel implantwears off, a new implant may be replaced after removing the implant if required.

Notify your doctor immediately if you feel the implant has been broken or misplaced when in the arm.

Overdose of etonogestrel is unlikely if the implant is properly embedded.

What to avoid while on Etonogestrel Implant?

Do NOT smoke while you have an Etonogestrel implant, especially if you are 35 years old or older. Smoking also increases the risks of heart attacks, stroke and blood clots.

Etonogestrel implant doesn’t protect you from HIV and AIDS or any other sexually transmitted diseases. Use a condom to protect yourself.

Etonogestrel Implant Side Effects

Seek Emergency Help if you have signs of any of these conditions: breathing difficulties, swelling of throat, lips, tongue or face or hives.

Notify your doctor immediately there are any signs of:

  • Swelling, redness on where the implant was placed
  • Severe pain or cramps in your pelvic area
  • Breast lump
  • Chest Pain
  • Sudden Coughing, Coughing blood
  • Pain, swelling in one or both legs
  • Sudden numbness or weakness on the body

Common Side effects:

  • Change in menstrual periods
  • Breast Tenderness
  • Stomach Pain
  • Acne
  • Slight menstrual bleeding

Etonogestrel Dosage

One 68 mg Etonogestrel Implant under the skin at the inner side of the upper arm. Should be removed before or at the end of the 3rd year of insertion.


This information should not be used as a primary source to make a decision on whether to take Etonogestrel or not. Your Doctor and health care provider has the professional training and knowledge to decide which medicine may be suitable for you. This information doesn’t endorse that any medicine is safe, approved or effective for treating any health conditions. This information is a brief summary of information about Etonogestrel. All information does NOT include everything about the side effects, warnings, directions, uses and risks that may be applied to Etonogestrel. You must talk to your healthcare provider for all information on the uses and risks of Etonogestrel.


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