What is the most important information I should know about antihemophilic factor (factor VIII)?
Some forms of this medication are made from human plasma (part of the blood) and may contain viruses and other infectious agents that can cause disease. Although donated human plasma is screened, tested, and treated to reduce the risk of it containing anything that could cause disease, there is still a small possibility it could transmit disease. Talk with your doctor about the risks and benefits of using this medication. Some viruses, such as parovovirus B19 and hepatitis A, may be more difficult to identify or remove from antihemophilic factor (factor VIII). Parovovirus can seriously affect pregnant women and people with weak immune systems. Symptoms of parovovirus B19 infection include fever, chills, runny nose, and drowsiness followed about 2 weeks later by a rash and joint pain. Symptoms of hepatitis A may include several days to weeks of poor appetite, tiredness, and low-grade fever followed by nausea, vomiting, and stomach pain. Dark-colored urine and jaundice (yellowing of the
