Implanon (etonogestrel) is a contraceptive used to prevent pregnancy. Common side effects of Implanon include nausea, stomach cramping/bloating/pain, dizziness, headache, mood changes, depression, breast tenderness or pain, acne, hair loss, weight gain, problems with contact lenses, sore throat, flu symptoms, back pain, nervousness, menstrual cramps, changes in menstrual periods, and vaginal irritation or discharge. Pain, bruising, numbness, infection, tingling, minor bleeding, and scarring may occur at the site where the rod is placed.
The medicine in Implanon is contained in a small plastic rod that is implanted into the skin of your upper arm. The medicine dose is released slowly into the body. The rod can remain in place and provide continuous contraception for up to 3 years.
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Call your doctor at once if you have any of these serious side effects:
- warmth, redness, swelling, or oozing where the implant was inserted;
- sudden numbness or weakness, especially on one side of the body;
- severe pain or cramping in your pelvic area (may be only on one side);
- sudden severe headache, confusion, pain behind the eyes, problems with vision, speech, or balance;
- sudden cough, wheezing, rapid breathing, coughing up blood;
- pain, swelling, warmth, or redness in one or both legs;
- chest pain or heavy feeling, pain spreading to the arm or shoulder, nausea, sweating, general ill feeling;
- a breast lump;
- swelling in your hands, ankles, or feet;
- jaundice (yellowing of the skin or eyes);
- symptoms of depression (sleep problems, weakness, tired feeling, mood changes); or
- dangerously high blood pressure (severe headache, blurred vision, buzzing in your ears, anxiety, confusion, chest pain, shortness of breath, uneven heartbeats, seizure).
Less serious side effects may include:
- pain, numbness, or tingling where the implant was inserted;
- minor bleeding or scarring where the implant was inserted;
- menstrual cramps, changes in your menstrual periods;
- mild headache, dizziness, mood changes;
- vaginal itching or discharge;
- breast pain;
- problems with contact lenses;
- nausea, mild stomach pain;
- back pain;
- feeling nervous or depressed;
- sore throat, flu symptoms; or
- weight gain.
Please revert back to your doctor please. Good luck