What is this medicine?

LANADELUMAB (lan a DEL ue mab) is a monoclonal antibody that helps to prevent hereditary angioedema attacks.

How should I use this medicine?

This medicine is for injection under the skin. You will be taught how to prepare and give this medicine. Use exactly as directed. Take your medicine at regular intervals. Do not take your medicine more often than directed.

It is important that you put your used needles and syringes in a special sharps container. Do not put them in a trash can. If you do not have a sharps container, call your pharmacist or healthcare provider to get one.

Talk to your pediatrician regarding the use of this medicine in children. While this drug may be prescribed for children as young as 12 years for selected conditions, precautions do apply.

What side effects may I notice from receiving this medicine?

Side effects that you should report to your doctor or health care professional as soon as possible:

• allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
• signs and symptoms of infection like fever or chills; cough; sore throat

Side effects that usually do not require medical attention (report these to your doctor or health care professional if they continue or are bothersome):

• diarrhea
• dizziness
• headache
• muscle pain
• pain, redness, or irritation at site where injected

What may interact with this medicine?

Interactions have not been studied.

What if I miss a dose?

If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.

Where should I keep my medicine?

Keep out of the reach of children.

If you are using this medicine at home, you will be instructed on how to store this medicine. Throw away any unused medicine after the expiration date on the label.

What should I tell my health care provider before I take this medicine?

They need to know if you have any of these conditions:

• an unusual or allergic reaction to lanadelumab, other medicines, foods, dyes, or preservatives
• pregnant or trying to get pregnant
• breast-feeding

What should I watch for while using this medicine?

Tell your doctor or healthcare professional if your symptoms do not start to get better or if they get worse.

You may get dizzy. Do not stand or sit up quickly, especially if you are an older patient. This reduces the risk of dizzy or fainting spells.