Iobenguane I 131 (eye-oh-BEN-gwane I 131 )
Given during a test for certain types of tumors, such as pheochromocytoma and neuroblastoma. This medicine helps tumors show more clearly on a scan or x-ray.
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 iobenguane sulfate or iodine.
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 through a needle placed in one of your veins.
- A nurse or other trained health professional will give you this medicine.
Drugs and Foods to Avoid
Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.
- Make sure your doctor knows if you are using blood pressure medicine such as labetalol (Trandate®), reserpine (Serpalan®), diltiazem, nifedipine, verapamil, Cartia®, Lotrel®, Norvasc®, Plendil®, or Tiazac®. Tell your doctor if you are using medicine such as cocaine, phenylephrine, pseudoephedrine (Sudafed®), or ephedrine.
- Make sure your doctor knows if you are also using medicine to treat depression such as amitriptyline, nortriptyline, doxepin, amoxapine, loxapine, Elavil®, Loxitane®, Pamelor®, or Sinequan®.
Warnings While Using This Medicine
- Make sure your doctor knows if you are pregnant or breast feeding.
- Make sure your doctor knows if you have kidney disease, high blood pressure, or thyroid problems.
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.
- Fever or chills.
- Lightheadedness or fainting.
- Nausea or vomiting.
If you notice these less serious side effects, talk with your doctor:
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
Review Date: 2011-02-04