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(icatibant) Injection

Please read this Patient Information before you use FIRAZYR and each time you get a refill. There may be new information. This information does not take the place of talking with your healthcare provider about your medical condition or your treatment.

What is FIRAZYR?

FIRAZYR is a medicine used to treat acute attacks of hereditary angioedema (HAE) in adults 18 years and older. It is not known if FIRAZYR is safe or effective for children under 18 years of age.

What should I tell my healthcare provider before taking FIRAZYR?

Before you use FIRAZYR, tell your healthcare provider if you:

  • have any other medical conditions.
  • are breastfeeding or plan to breastfeed. It is not known if FIRAZYR passes into your breast milk. Talk to your healthcare provider about the best way to feed your baby if you use FIRAZYR.
  • are pregnant or plan to become pregnant. It is not known if FIRAZYR will harm your unborn baby. You and your healthcare provider will decide if FIRAZYR is right for you.

Tell your healthcare provider about all the medicines you take, including prescription and non-prescription medicines, vitamins, and herbal supplements.

How should I use FIRAZYR?

  • Use FIRAZYR exactly as your healthcare provider tells you to use it.
  • Your healthcare provider will prescribe the right dose of FIRAZYR for you and tell you when to use it.
  • Your healthcare provider will teach you or a caregiver how to give FIRAZYR injections
  • Read the Instructions for Use at the end of the Patient Information for information about the right way to use FIRAZYR.
  • If your symptoms continue or come back, you may repeat your FIRAZYR injection at least six hours apart.
  • Do not use more than 3 doses in 24 hours.
  • If you have a laryngeal attack, inject FIRAZYR and then go to the nearest hospital emergency room right away.

What should I avoid while using FIRAZYR?

Tiredness, drowsiness, and dizziness can occur in people who take FIRAZYR. If this occurs, do not drive a car, use machinery, or do anything that needs you to be alert.

What are the possible side effects of FIRAZYR?

The most common side effects of FIRAZYR include:

  • redness, bruising, swelling, warmth, burning, itching, irritation, hives, numbness, pressure, or pain at the injection site
  • fever
  • too much of an enzyme called transaminase in your blood
  • dizziness
  • nausea
  • headache
  • rash

Tell your healthcare provider if you have any side effect that bothers you or that does not go away.

These are not all of the possible side effects of FIRAZYR. For more information, ask your healthcare provider or pharmacist.

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

How should I store FIRAZYR?

  • Store FIRAZYR between 36°F to 77°F (2°C to 25°C).
  • Do not freeze.
  • Store FIRAZYR in the original carton until you are ready to use it.

Keep FIRAZYR and all medicines out of the reach of children.

General information about the safe and effective use of FIRAZYR

Medicines are sometimes prescribed for purposes other than those listed in a Patient Information leaflet. Do not use FIRAZYR for a condition for which it was not prescribed. Do not give FIRAZYR to other people, even if they have the same symptoms that you have. It may harm them.

This Patient Information leaflet summarizes the most important information about FIRAZYR. If you would like more information, talk with your healthcare provider. You can ask your pharmacist or healthcare provider for information about FIRAZYR that is written for health professionals.

For more information, go to www.FIRAZYR.com or call 1-800-828-2088.

What are the ingredients in FIRAZYR?

Active ingredient: icatibant acetate

Inactive Ingredients: sodium chloride, glacial acetic acid, sodium hydroxide, and water

Step-by-Step Instructions for your FIRAZYR injection

Step 1. Preparing your dose of FIRAZYR

  • Wash your hands with soap and water.
  • You will need the following supplies:
    • Your FIRAZYR carton that includes 1 single-use FIRAZYR prefilled syringe and 1 needle.
    • An alcohol wipe
    • The medicine inside your FIRAZYR prefilled syringe should be clear and colorless. Do not use your FIRAZYR prefilled syringe if the solution contains particles, is cloudy, or an unusual color.

Figure A

Supplies needed - Illustration

Step 2. Remove the prefilled syringe and needle from the carton. See Figure B.

Figure B

Remove the prefilled syringe and needle from the carton - Illustration

Step 3. Remove the seal from the needle cap (the needle should remain inside the protective needle cap until ready to use). See Figure C.

Figure C

Remove the seal from the needle cap - Illustration

Step 4. Remove the protective cap from the end of the pre-filled syringe by unscrewing the cap. Hold the syringe firmly. Carefully attach the needle to the prefilled syringe containing the colorless FIRAZYR solution. See Figure D.

Figure D

Remove the protective cap - Illustration

Step 5. Firmly screw the needle on the prefilled syringe. Be careful not to remove the needle from the needle cap. See Figure E.

Figure E

Firmly screw the needle on the prefilled syringe - Illustration

Preparing the Injection Site

Step 6. Choose the injection site. The injection site should be a fold of skin on your stomach, about 2 to 4 inches (5 to 10 cm) below your belly button on either side. See Figure F.

The area you choose for injection should be at least 2 inches (5 cm) away from any scars. Do not choose an area that is bruised, swollen, or painful.

Figure F

Choose the injection site - Illustration

Step 7. Clean your FIRAZYR injection site with an alcohol wipe and allow it to dry. See Figure G.

Figure G

Clean your injection site - Illustration

Injecting your FIRAZYR

Step 8. Remove the needle from the needle cap by holding the needle cap and carefully pulling the syringe. Do not pull up on the plunger. See Figure H.

Figure H

Remove the needle from the needle cap - Illustration

Step 9. Hold the FIRAZYR prefilled syringe in 1 hand, between your fingers and thumb. See Figure I.

Figure I

Hold the prefilled syringe in 1 hand, between your fingers and thumb - Illustration

Step 10. Use your other hand to gently pinch the fold of skin you cleaned with the alcohol wipe between your thumb and fingers for your injection. See Figure J.

Figure J

Gently pinch the fold of skin - Illustration

Step 11. Hold the syringe between a 45 to 90 degree angle to your skin with the needle facing the fold of skin you are holding. See Figure K.

Figure K

Holding the syringe - Illustration

Step 12. Hold the fold of skin. Bring the syringe to the skin and quickly insert the needle into the skin fold. See Figure L.

Figure L

Quickly insert the needle into the skin fold - Illustration

Step 13. Push the plunger, at the top of the syringe, over at least 30 seconds until no FIRAZYR is in the syringe. See Figure M.

Figure M

Push the plunger - Illustration

Step 14. Release the skin fold and gently pull the needle out. See Figure N.

Figure N

Gently pull the needle out - Illustration

Disposal of your used FIRAZYR prefilled syringe

Step 15. Place the used FIRAZYR syringe, with the needle attached, in a sharps container (such as a red biohazard container), a hard plastic container, (such as a detergent bottle), or a metal container (such as an empty coffee can). Seal the container and throw it away the right way. There may be state and local laws about the right way to throw away used syringes and needles. Ask your healthcare provider or pharmacist how to throw away used syringes and needles. See Figure O.

Figure O

Dispose off in a sharps container - Illustration

This Patient Package Insert and Instructions for Use have been approved by the U.S. Food and Drug Administration.

Last reviewed on RxList: 12/7/2015
This monograph has been modified to include the generic and brand name in many instances.

Report Problems to the Food and Drug Administration


You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

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