Implanon in Detail - Patient Information: Side Effects
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 headache, confusion, pain behind the eyes, problems with vision, speech, or balance;
* chest pain or heavy feeling, pain spreading to the arm or shoulder, nausea, sweating, general ill feeling;
* swelling in your hands, ankles, or feet;
* jaundice (yellowing of the skin or eyes); or
* symptoms of depression (sleep problems, weakness, mood changes).
Less serious side effects may include:
* pain, numbness, or tingling where the implant was inserted;
* minor bleeding or scarring where the implant was inserted;
* breast pain;
* acne, freckles or darkening of facial skin;
* menstrual cramps, changes in menstrual bleeding pattern;
* increased hair growth, loss of scalp hair;
* weight gain;
* nausea, mild stomach pain;
* vaginal itching or discharge;
* headache, back pain, nervousness, dizziness;
* runny or stuffy nose, sore throat, cough; or
* problems with contact lenses.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
Read the entire detailed patient monograph for Implanon (Etonogestrel Implant) »
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Implanon Overview - Patient Information: Side Effects
SIDE EFFECTS: Nausea, stomach cramping/bloating, dizziness, headache, breast tenderness, acne, hair loss, weight gain, and vaginal irritation/discharge may occur. Pain, bruising, numbness, infection, and scarring may occur at the site where the rod is placed. If any of these effects persist or worsen, notify your doctor promptly.
Your periods may be early or late, shorter or longer, heavier or lighter than normal. You may also have some spotting between periods, especially during the first several months of use. If bleeding is prolonged (more than 8 days) or unusually heavy, contact your doctor. If you miss 2 periods in a row, contact your doctor for a pregnancy test.