Ecallantide (e-KAL-lan-tide)

Treats sudden attacks of hereditary angioedema (HAE).

Brand Name(s):

Kalbitor

When This Medicine Should Not Be Used:

How to Use This Medicine:

Injectable

• A nurse or other health provider will give you this medicine while you are in a hospital or emergency clinic. This medicine is given as a shot under your skin.
• This medicine should come with a Medication Guide. Ask your pharmacist for a copy if you do not have one.

Drugs and Foods to Avoid:

Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.

Warnings While Using This Medicine:

• Tell your doctor if you are pregnant or breastfeeding.
• This medicine may cause serious allergic reactions, which can be life-threatening.

Possible Side Effects While Using This Medicine:

Call your doctor right away if you notice any of these side effects:

• Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing
• Lightheadedness, dizziness, fainting
• Stuffy or runny nose, sneezing
• Warmth or redness in your face, neck, arms, or upper chest

If you notice these less serious side effects, talk with your doctor:

• Redness, pain, swelling, itching, or rash where the shot was given

If you notice other side effects that you think are caused by this medicine, tell your doctor

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