 <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]  agents the day before starting emicizumab prophylaxis. You may continue prophylaxis with Factor VIII for the first week of emicizumab prophylaxis. Ask your healthcare professional for more information about the use of these other products and what to do if you have breakthrough bleeding. If you are using this medication at home, learn all preparation and usage instructions from your health care professional and the product package. Wash your hands before using this medication. Remove the medication from the refrigerator 15 minutes before you inject it so it can reach room temperature. Do not warm up this medication any other way such as by heating in the microwave, placing in hot water, or leaving it in direct sunlight. Do not shake the medication. The medication should be colorless to slightly yellow. Before using, check this product visually for particles or discoloration. If either is present, do not use the liquid. Before injecting each dose, clean the injection site with rubbing alcohol. Change the injection site each time to lessen injury under the skin. Do not inject into moles, scars, or skin that is tender, bruised, red, or hard. To lessen bruising, do not rub the injection site after a shot. Learn how to store and discard medical supplies </s>