 <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]  side effects. You may report side effects to Health Canada at 1-866-234-2345.The precautions of Ospemifene Oral: See also Warning and Side Effects sections. Before taking ospemifene, tell your doctor or pharmacist if you are allergic to it; 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 medication, tell your doctor or pharmacist your medical history, especially of: unusual vaginal bleeding, active or past history of blood clots (such as deep venous thrombosis, pulmonary embolism), active or past history of heart/blood vessel disease (such as heart attack, stroke), cancer, liver disease. Tell your doctor if you just had or will be having surgery or if you will be confined to a bed or chair for a long time (such as a long plane flight). These conditions increase your risk of getting blood clots. You may need to stop this medication for a time or take special precautions. Before having surgery, tell your doctor or dentist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products). This medication must </s>