 <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]  mixed medication as soon as possible, but no later than 3 hours after mixing. Do not refrigerate the mixed medication. The dosage is based on your medical condition, weight, blood test results, and response to treatment. Follow your doctor's instructions carefully. Tell your doctor if your condition does not improve or if it worsens.The side effects of FVIII Rec,Fc-VWF-XTEN,BDD-Ehtl Intravenous: Remember that this medication has been prescribed because your doctor has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects. A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing, chest discomfort/tightness. This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088 or at www.f </s>