Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Stop using birth control pills and call your doctor at once if you have:
signs of a stroke--sudden numbness or weakness (especially on one side of the body), sudden severe headache, slurred speech, problems with vision or balance;
signs of a blood clot--sudden vision loss, stabbing chest pain, feeling short of breath, coughing up blood, pain or warmth in one or both legs;
heart attack symptoms--chest pain or pressure, pain spreading to your jaw or shoulder, nausea, sweating;
liver problems--loss of appetite, upper stomach pain, tiredness, fever, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes);
increased blood pressure--severe headache, blurred vision, pounding in your neck or ears;
swelling in your hands, ankles, or feet;
changes in the pattern or severity of migraine headaches;
a breast lump; or
symptoms of depression--sleep problems, weakness, tired feeling, mood changes.
Common side effects may include:
nausea, vomiting (especially when you first start taking  Kariva);
breast tenderness;
breakthrough bleeding;
acne, darkening of facial skin;
weight gain; 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.
 Kariva side effects (more detail)
