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Alphanate Patient Information including How Should I Take

What should I discuss with my healthcare provider before using antihemophilic factor (factor VIII)?

This medication comes in many different strengths. Be sure the strength printed on the medicine bottle label is correct for the dose your doctor has prescribed for you.

Do not use this medication if you have:

  • a history of allergy to antihemophilic factor; or
  • a history of allergy to products made with human or animal proteins, especially mouse proteins.

FDA pregnancy category C. This medication may be harmful to an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant during treatment.

It is not known whether this medication passes into breast milk or if it could harm a nursing baby. Do not use this medication without telling your doctor if you are breast-feeding a baby.

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 skin or eyes) may also occur. Contact your doctor if you develop any of these symptoms after treatment with antihemophilic factor (factor VIII).

How should I use antihemophilic factor (factor VIII)?

This medication is given as an injection through a needle placed into a vein. Your doctor, nurse, or other healthcare provider will give your first injection. Then you will be given instructions on how to use your injections at home. Do not use this medicine at home if you do not fully understand how to give the injection and properly dispose of needles and other items used in giving the medicine.

To be sure this medication is helping your condition, your blood will need to be tested on a regular basis. Do not miss any scheduled visits to your doctor.

Carry an ID card or wear a medical alert bracelet stating that you have hemophilia, in case of emergency. Any doctor, dentist, or emergency medical care provider who treats you should know that you have a bleeding disorder.

Your body may develop antibodies to this medication, making it less effective. Contact your doctor if this medicine does not seem to be working as well as before in controlling your bleeding.

If you need to have any type of surgery, tell the surgeon ahead of time that you are using antihemophilic factor (factor VIII). You may need to stop using the medicine for a short time.

Store the powder medicine in the refrigerator. Do not freeze.

Do not mix this medicine with the liquid diluent until you are ready to give the injection. Once the medicine has been mixed, you must use it within 3 hours. Do not refrigerate the mixed medicine. Keep it at room temperature.

You may also store the powder at room temperature for up to 6 months or until the expiration date printed on the label (whichever comes first).

Do not put the medicine back into the refrigerator once you have kept it at room temperature.

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