Pronunciation: AN-tee-HEE-moe-FIL-ik FAK-tor
Generic Name: Antihemophilic Factor (Recombinant)
Brand Name: Examples include Genarc and Kogenate FS
Genarc is used for:
Preventing and controlling bleeding in patients with hemophilia A (Factor VIII deficiency), including surgical settings. It may also be used for certain other bleeding conditions.
Genarc is a man-made clotting factor. It is identical to the naturally occurring protein in the body. It works by increasing the amount of clotting factor VIII in the blood, which helps the blood to clot normally.
Do NOT use Genarc if:
- you are allergic to any ingredient in Genarc, including mouse, hamster, or bovine proteins
Contact your doctor or health care provider right away if any of these apply to you.
Before using Genarc:
Some medical conditions may interact with Genarc. Tell your doctor or pharmacist if you have any medical conditions, especially if any of the following apply to you:
- if you are pregnant, planning to become pregnant, or are breast-feeding
- if you are taking any prescription or nonprescription medicine, herbal preparation, or dietary supplement
- if you have allergies to medicines, foods, or other substances
- if you have inhibitors to clotting factor VIII
Some MEDICINES MAY INTERACT with Genarc. However, no specific interactions with Genarc are known at this time.
Ask your health care provider if Genarc may interact with other medicines that you take. Check with your health care provider before you start, stop, or change the dose of any medicine.
How to use Genarc:
Use Genarc as directed by your doctor. Check the label on the medicine for exact dosing instructions.
- An extra patient leaflet is available with Genarc. Talk to your pharmacist if you have questions about this information.
- Do not shake Genarc.
- Genarc is usually given as an injection at your doctor's office, hospital, or clinic. If you will be using Genarc at home, a health care provider will teach you how to use it. Be sure you understand how to use Genarc. Follow the procedures you are taught when you use a dose. Contact your health care provider if you have any questions.
- Do not use Genarc if it contains particles, is cloudy or discolored, or if the vial is cracked or damaged.
- This product must be used within 3 hours after it has been prepared.
- When drawing a dose into a syringe, be sure to follow the procedure demonstrated to you by your doctor to prevent contamination of the vial, syringe, or medicine. Never touch the rubber stopper of the vial or the needle of the syringe with your fingers.
- Carefully check that you have drawn the correct dose before administration.
- Keep this product, as well as syringes and needles, out of the reach of children and pets. Do not reuse needles, syringes, or other materials. Ask your health care provider how to dispose of these materials after use. Follow all local rules for disposal.
- If you miss a dose of Genarc, use it as soon as possible. If it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not use 2 doses at once. If more than one dose is missed, restart therapy as needed and contact your doctor at your next appointment.
Ask your health care provider any questions you may have about how to use Genarc.
Important safety information:
- Genarc may cause dizziness or lightheadedness. These effects may be worse if you take it with alcohol or certain medicines. Use Genarc with caution. Do not drive or perform other possibly unsafe tasks until you know how you react to it.
- Patients receiving clotting factors sometimes develop antibodies or inhibitors to the medicine. This makes it less effective. If Genarc stops working or does not work as well as it has before, contact your doctor immediately for instructions.
- Tell your doctor or dentist that you take Genarc before you receive any medical or dental care, emergency care, or surgery.
- Lab tests, including factor VIII levels, may be performed while you use Genarc. These tests may be used to monitor your condition or check for side effects. Be sure to keep all doctor and lab appointments.
- PREGNANCY and BREAST-FEEDING: It is not known if Genarc can cause harm to the fetus. If you become pregnant, contact your doctor. You will need to discuss the benefits and risks of using Genarc while you are pregnant. It is not known if Genarc is found in breast milk. If you are or will be breast-feeding while you use Genarc, check with your doctor. Discuss any possible risks to your baby.
Possible side effects of Genarc:
All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome:
Dizziness; flushing; lightheadedness; mild fever or chills; mild itching, burning, pain, or redness at the injection site; nausea; vomiting.
Seek medical attention right away if any of these SEVERE side effects occur:
Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue, unusual hoarseness); chest pain; cough; fainting; new or worsening bruising or bleeding; severe or persistent dizziness, fatigue, or lightheadedness; severe or persistent fever, chills, or sore throat; shortness of breath; wheezing.
This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your health care provider. Call your doctor for medical advice about side effects. To report side effects to the appropriate agency, please read the Guide to Reporting Problems to FDA.
See also: Genarc side effects (in more detail)
If OVERDOSE is suspected:
Contact 1-800-222-1222 (the American Association of Poison Control Centers), your local poison control center, or emergency room immediately.
Proper storage of Genarc:
Store Genarc in the refrigerator, between 36 and 46 degrees F (2 and 8 degrees C), or at room temperature, up to 77 degrees F (25 degrees C), for up to 3 months. If stored at room temperature, do not return to the refrigerator. Store away from heat, moisture, and light. Do not freeze. Do not store in the bathroom. Keep Genarc out of the reach of children and away from pets.
General information:
- If you have any questions about Genarc, please talk with your doctor, pharmacist, or other health care provider.
- Genarc is to be used only by the patient for whom it is prescribed. Do not share it with other people.
- If your symptoms do not improve or if they become worse, check with your doctor.
- Check with your pharmacist about how to dispose of unused medicine.
This information is a summary only. It does not contain all information about Genarc. If you have questions about the medicine you are taking or would like more information, check with your doctor, pharmacist, or other health care provider.
More Genarc resources
- Genarc Side Effects (in more detail)
- Genarc Use in Pregnancy & Breastfeeding
- Genarc Support Group
- 0 Reviews for Genarc - Add your own review/rating
Compare Genarc with other medications
- Hemophilia A
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