Proper Use

Drug information provided by: IBM Micromedex

A nurse or other trained health professional will give you this medicine. This medicine is given through a needle placed in one of your veins. The medicine must be injected slowly, so your IV tube will need to stay in place for 5 minutes.

This medicine may sometimes be given at home to patients who do not need to be in the hospital or clinic. If you are using this medicine at home, your doctor or nurse will teach you how to prepare and inject the medicine. Be sure that you understand how to use the medicine.

Make sure family members or other people you are with know how to inject the medicine in case you are unable to do it yourself during an HAE attack.

Use a new needle and syringe each time you inject your medicine.

Check the injection kits regularly to make sure that the powder or liquid has not changed its color. Do not use this medicine if the powder or liquid has changed its color, or if there are solids in the mixed liquid.

Carry this medicine with you at all times for emergency use in case you have an HAE attack.

This medicine comes with a patient information leaflet. Read and follow the instructions carefully. Ask your doctor if you have any questions.


The dose of this medicine will be different for different patients. Follow your doctor's orders or the directions on the label. The following information includes only the average doses of this medicine. If your dose is different, do not change it unless your doctor tells you to do so.

The amount of medicine that you take depends on the strength of the medicine. Also, the number of doses you take each day, the time allowed between doses, and the length of time you take the medicine depend on the medical problem for which you are using the medicine.

  • For injection dosage form:
    • For hereditary angioedema:
      • Adults and teenagers—Dose is based on body weight and must be determined by a doctor. The usual dose is 50 international units per kilogram (kg) of body weight injected into a vein. Your doctor may increase your dose as needed. However, the dose is usually not more than 4200 international units per day.
      • Children 12 years of age and younger—Use and dose must be determined by your doctor.

Missed Dose

Call your doctor or pharmacist for instructions.


Keep out of the reach of children.

Do not keep outdated medicine or medicine no longer needed.

Ask your healthcare professional how you should dispose of any medicine you do not use.

Store the powder vial in the refrigerator or at room temperature. Keep the medicine in the original carton until you are ready to use it. Do not freeze.

Use the mixed medicine immediately, or you may store in the refrigerator within 8 hours of mixing it.

Throw away the vial after you have used it, even if there is medicine left in it.