About etonogest rel
Progestin-only contraceptive implant
Used for
- Long-acting contraception to prevent pregnancy.
Usual adult dose
One 68 mg implant inserted under the skin of the upper arm; effective for up to 3 years.
Common side effects
- Changes in bleeding patterns, including irregular or absent periods
- Headache
- Acne
- Breast tenderness or mood changes
Important warnings
- Does not protect against sexually transmitted infections.
- Bleeding changes are common; seek assessment for unusually heavy or persistent bleeding.
- Some medicines can reduce effectiveness; backup contraception may be needed.
- Insertion or removal can rarely cause infection, scarring, or nerve or blood vessel injury.
Pregnancy
Not for use during pregnancy; remove if pregnancy occurs. Fertility generally returns quickly after removal.
Breastfeeding
Generally compatible after the early postpartum period; timing depends on local guidance and individual circumstances.
Interactions
- Enzyme-inducing medicines such as rifampicin, some seizure medicines, and St John’s wort may reduce effectiveness.
- Some HIV or hepatitis C medicines may interact; check the specific medicine.
- May alter blood glucose control in people with diabetes.
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.