Fasenra Pen

Fasenra Pen is used along with other medicines to help manage severe asthma in adults and children who are at least 6 years old. This medicine is not a quick-relief option for asthma attacks.

Fasenra Pen is also used in adults to treat a rare autoimmune disorder known as eosinophilic granulomatosis with polyangiitis (EGPA).

Fasenra Pen may also be used for reasons not mentioned in this medication guide.

Use only as directed. Inform your doctor if you are taking other medicines or have any other medical conditions or allergies.

You should not use Fasenra Pen if you are allergic to it.

Tell your doctor if you have or have ever had:

• an infection caused by helminthic parasites; or
• an oral or inhaled steroid medicine.

It is not known if Fasenra Pen will harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant.

Ask a doctor if it is safe to breastfeed while using Fasenra Pen.

Get emergency medical help if you notice any signs of an allergic reaction, such as hives, trouble breathing, or swelling of your face, lips, tongue, or throat.

Fasenra Pen can cause serious side effects. Contact your doctor immediately if you experience:

• new or worsening asthma symptoms.

Common side effects of Fasenra Pen may include:

• sore throat; or
• headache.

This is not a complete list of side effects, and others may happen. Contact your doctor for medical advice about side effects. You can report side effects to the FDA at 1-800-FDA-1088.

Follow all directions on your prescription label and read all medication guides or instruction sheets. Use the medicine exactly as directed.

Fasenra Pen is injected under the skin in the stomach, thigh, or upper arm. A healthcare provider may give you this injection or may teach you how to properly use this medicine by yourself.

This medicine should only be given by a caregiver or healthcare provider to children younger than 12 months old.

Fasenra Pen is usually injected once every 4 weeks. Later doses are then injected once every 8 weeks for certain indications. Your doctor will determine your treatment schedule.

Read and carefully follow any Instructions for Use provided with your medicine. Ask your doctor or pharmacist if you don't understand how to use an injection.

Prepare an injection only when you are ready to give it. Call your pharmacist if the medicine looks cloudy, has changed colors or has particles in it.

Do not inject within 2 inches of your navel, or areas where the skin is tender, hard, scaly, bruised, or has scars. Do not inject into the same place two times in a row.

If you take oral steroid medicine, do not stop it suddenly. Ask your doctor about tapering your dose.

Fasenra Pen is not a fast-acting rescue medicine for asthma attacks. Seek medical attention if your breathing problems get worse quickly, or if you think your medications are not working.

Each autoinjector is for one use only. Throw away after one use, even if there is still medicine left inside. Place them in a puncture-proof "sharps" container and dispose of it following state or local laws. Keep out of the reach of children and pets.

Call your doctor if your symptoms do not improve, or if they get worse.

Your dose needs may change due to surgery, illness, stress, or a recent asthma attack. Do not change your dose or stop using asthma medication without your doctor's advice. Tell your doctor if your medicine seems to stop working.

Store this medicine in the original container in the refrigerator. Protect from light and do not freeze or shake the medicine.

Take the medicine out of the refrigerator and follow the instructions to let it reach room temperature before using the medicine. Do not warm the medicine with hot water, sunlight, or a microwave.

Fasenra Pen may also be stored at room temperature away from moisture and heat. Do not return the medicine to the refrigerator. Throw the medicine away after 14 days if stored at room temperature.

Call your doctor for instructions if you miss a dose.

Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.

Follow your doctor's instructions about any restrictions on food, beverages, or activity.

Other drugs may affect Fasenra Pen, including prescription and over-the-counter medicines, vitamins, and herbal products. Tell your doctor about all other medicines you use.

Find detailed information on biosimilars for this medication.