 <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]  overdosed and has serious symptoms such as passing out or trouble breathing, call 911. Otherwise, call a poison control center right away. US residents can call their local poison control center at 1-800-222-1222. Canada residents can call a provincial poison control center.  Notes Do not share this medication with others. Lab tests (such as factor VIII levels, von Willebrand factor levels, clotting tests) should be done while you are using this medication. Keep all medical and lab appointments. Consult your doctor for more details.  Missed Dose It is important to follow the dosing schedule as directed by your doctor. If you miss a dose, ask your doctor or pharmacist right away for a new dosing schedule. Do not double the dose to catch up.  Storage Store the medication according to the manufacturer's instructions. Some brands of this medication can be stored at room temperature while other brands need to be refrigerated. Ask your pharmacist for more details about the brand you use. Do not freeze this product. Protect the product from light. After each dose, throw away any unused portion. Keep all medications away from children and pets. Do not flush medications down the toilet or pour them into a drain unless instructed to do so. Proper </s>