 <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]  temporarily replace factor VIII in the body, connected to an antibody (immunoglobulin) that helps the man-made factor VIII work longer. When used to control and prevent bleeding, this medication may help relieve pain and long-term damage caused by hemophilia A.This medication should not be used to treat von Willebrand disease. How to use Altuviiio 4,000 (+/-) Unit Intravenous Solution Antihemophilic Products Read the Patient Information Leaflet if available from your pharmacist before you start using this medication and each time you get a refill. If you have any questions, ask your doctor or pharmacist. This medication is given by injection into a vein as directed by your doctor. The injection time may be different, depending on your dose and how you respond to it. After first receiving this medication in a clinic or hospital, some people may be able to give this medication to themselves at home. If your doctor directs you to use this medication at home, read and learn all preparation and usage instructions in the product package. Learn how to store and discard medical supplies safely. If you have any questions, ask your health care professional. If the medication and the solution used to mix it are refrigerated, take them out of </s>