What should you know about what Nexplanon is made of?

The rod contains etonogestrel, a synthetic form of the hormone progestogen. Its polymer structure holds the medicine and allows gradual release after the rod is placed under the skin. Etonogestrel mainly prevents ovulation and also changes cervical mucus, making it harder for sperm to pass through. The implant does not contain oestrogen.

Tell your clinician about allergies or previous reactions to medicines or implant materials. Keep the product information with your health records, especially if you see a new clinician. Do not cut, puncture, or handle the rod through the skin. If you want a different method, discuss removal and alternatives, including a hormonal coil, with a trained provider.

Seek medical advice for a suspected allergic reaction, worsening redness or discharge at the insertion site, or a rod that cannot be felt. Urgent help is needed for breathing difficulty, facial swelling, fainting, or severe symptoms soon after insertion. A clinician can assess whether symptoms relate to the implant or another cause.

Ask whether the implant suits your medical history, which medicines may affect etonogestrel, and what symptoms should prompt a review. You can also ask how its hormone differs from the method in a hormonal coil.