Etonogestrel - subcutaneous

Patient Medicine Information
Why do I need this medicine?
Etonogestrel is a birth control implant. This medicine is used to prevent pregnancy.
How do I use this medicine?
The medicine inside Etonogestrel implant is contained inside a tiny rod.

This tiny rod will be inserted under the skin around the arm area. Your doctor will give you a local anaesthetic before making a small incision in the skin. He will then place the implant in the correct position for you. Each Etonogestrel implant lasts for 3 years. The implant should be removed not later than 3 years from the date of insertion. Remember to see your doctor to remove the implant.
When should I not use this medicine?
Alert your doctor if you have the following conditions:
  • liver disease or history of liver disease
  • liver tumours or history of liver tumours
  • undiagnosed abnormal vaginal bleeding
  • blood clots
  • breast cancer or history of breast cancer
as Etonogestrol may not be suitable for you.

Do not use Etonogestrel if you are pregnant or planning to have a baby soon. If you become pregnant while being treated with Etonogestrel, alert your doctor immediately. Etonogestrel may cause harm to your unborn child.
What should I take note of while using this medicine?
Inform your doctor if you have the following conditions:
  • high blood pressure
  • diabetes
  • high cholesterol
Let your doctor know if you are breastfeeding.
What side effects could I experience?
Etonogestrel may cause any of the following side effects: headache, abdominal pain, nausea, dizziness, acne, breast tenderness and pain, weight gain, depression, pain on the site of implant.

Some side effects may need immediate medical help. Alert your doctor quickly if you experience any of the following:
  • persistent lower leg pain
  • sudden shortness of breath, sharp chest pain or coughing up blood
  • yellow skin or whites of the eyes, especially accompanied by fever, fatigue, loss of appetite or dark-coloured urine
  • new lump or mass in the breast
Inform your doctor if any of these side effects do not go away or are severe, or if you experience other side effects.
Can I use this with other medicines?
Inform your doctor or pharmacist if you are taking any of these medicines:
  • medicines for epilepsy (fits) e.g. phenytoin, carbamazepine, oxcarbazepine, topiramate, primidone, barbiturates
  • medicines for HIV infection e.g. ritonavir, efavirenz, boceprevir, nevirapine
  • medicines to treat fungal infection e.g. ketoconazole, voriconazole, fluconazole, griseofulvin
  • rifampicin (medicine to treat TB)
  • ciclosporin (medicine used in organ transplant or certain immune disorders)
  • St. John’s wort (herbal medicine)
This list does not include all medicines that may interact with Etonogestrel.

Always notify your doctor and pharmacist if you are taking any other medicines, including herbal tonics such as traditional Chinese medicines, supplements and medicines that you buy without a prescription.
What special dietary instructions should I follow?
Avoid alcohol.
How should I store this medicine?
Store in a cool, dry place away from the reach of children.

Medicines must not be used past the expiry date.
This information is independently developed by MIMS based on etonogestrel - subcutaneous and is provided for your reference only. It is not a replacement for and should only be used in conjunction with full consultation with a licensed healthcare professional, the information provided by your pharmacist and/or the manufacturer of the medication. It may not contain all the available information you require and cannot substitute professional medical care, nor does it take into account all individual circumstances. Although great effort has been made to ensure content accuracy, we shall not be held responsible or liable for any claims or damages arising from the use or misuse of the information contained herein, its contents or omissions, or otherwise. Copyright © 2020 MIMS. All rights reserved. Powered by
  • Implanon/Implanon NXT
Register or sign in to continue
Asia's one-stop resource for medical news, clinical reference and education
Sign up for free
Already a member? Sign in