Treats sudden attacks of hereditary angioedema (HAE).
There may be other brand names for this medicine.
When This Medicine Should Not Be Used
You should not receive this medicine if you have had an allergic reaction to ecallantide.
How to Use This Medicine
- Your doctor will prescribe your exact dose and tell you how often it should be given. This medicine is given as a shot under your skin.
- A nurse or other trained health professional will give you this medicine. It will be given in a hospital or emergency clinic.
- This medicine should come with a Medication Guide. Read and follow these instructions carefully. Ask your doctor or pharmacist if you have any questions. Ask your pharmacist for the Medication Guide 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
- Make sure your doctor knows if you are pregnant or breastfeeding.
- This medicine may cause a serious type of allergic reaction called anaphylaxis. Anaphylaxis can be life-threatening and requires immediate medical attention. Tell your doctor or nurse right away if you have a cough; difficulty with swallowing; dizziness; a fast heartbeat; wheezing; shortness of breath; trouble with breathing; chest tightness; swelling in your face, hands, tongue, or throat; a fever; chills; a runny nose or sneezing; itching or hives; or lightheadedness or faintness after you get the injection.
- Your doctor will closely check your progress to make sure this medicine is working properly and to decide if you should continue to receive it.
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
- Chest discomfort.
- Fever, sneezing, or stuffy or runny nose.
- Lightheadedness, dizziness, or fainting.
- Skin rash.
- 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, blistering, or rash where the shot was given.