Xenon Xe 133 (ZEE-non Xe 133)

Used during a medical test or imaging procedure to help internal organs or other body parts show up better. Also used to help blood flow patterns show up better.

Brand Name(s):

When This Medicine Should Not Be Used:

How to Use This Medicine:

Gas

• A nurse or other trained health professional will give you this medicine.
• This medicine is a gas that you will breathe in through your mouth. After you receive the medicine, you will have a CT scan or other type of x-ray test.

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.
• While using this medicine, you may be exposed to radiation. Talk with your doctor if you have concerns about this.
• The vial stopper contains dry natural rubber (a derivative of latex), which may cause allergic reactions in people who are sensitive to latex. Tell your doctor if you have a latex allergy before you start using this medicine.
• Your doctor will check your progress and the effects of this medicine at regular visits. Keep all appointments.

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

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