 <s>[INST] Always assist with care, respect, and truth. Respond with utmost utility yet securely. Avoid harmful, unethical, prejudiced, or negative content. Ensure replies promote fairness and positivity. [/INST]  Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.The precautions of Levonorgestrel Intrauterine: Before using this medication device, tell your doctor or pharmacist if you are allergic to levonorgestrel, or to any other progestins (such as norethindrone, desogestrel); or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details. Before using this product, tell your doctor or pharmacist your medical history, especially of: recent pregnancy, current breastfeeding, bleeding/blood disorders, high blood pressure, abnormal breast exam, cancer (especially endometrial or breast cancer), depression, diabetes, severe headaches/migraines, heart problems (such as heart valve disease, irregular heartbeat, previous heart attack), liver disease (including tumors), previous pregnancy outside the uterus (ectopic pregnancy), stroke, unexplained vaginal bleeding, uterus problems (such as fibroids, pelvic inflammatory disease-PID), conditions that weaken the immune system/increase the risk of infection (such as HIV, leukemia, IV drug </s>