KALBITOR is a prescription medicine used to treat sudden attacks of hereditary angioedema (HAE). KALBITOR is not a cure for HAE. It is not known if it is safe and effective in children under 16 years of age.

Side Effects Of Kalbitor

KALBITOR can cause serious allergic reactions.

Common side effects of KALBITOR include:

  • headache
  • nausea
  • diarrhea
  • fever
  • injection site reactions, such as redness, rash, swelling, itching, or bruising
  • stuffy nose

Call your doctor for advice about side effects

Warnings & Precautions

Before receiving KALBITOR, tell your doctor if you:

  • have ever had an allergic reaction to KALBITOR.
  • are pregnant or plan to become pregnant. It is not known if it will harm your unborn baby.
  • are breast-feeding or plan to breast-feed. It is not known if it passes into your breast milk.

Tell your doctor about all the medicines you take, including prescription and non-prescription medicines, vitamins, and herbal supplements. Know the medicines you take. Keep a list of them to show to your doctor and pharmacist when you get a new medicine.

Dosage Of Kalbitor

For each dose, you will receive 3 injections just under the skin (subcutaneous or SC injections) of your abdomen, thigh, or upper arm.


Medicines are sometimes prescribed for purposes other than those listed in a Medication Guide. This Medication Guide gives you the most important information about you would like more information, talk with your doctor. You can ask your pharmacist or doctor for information about KALBITOR that is written for health professionals.


All information has been provided courtesy of MedLinePlus from the National Library of Medicine and from the FDA.