Iobenguane I 123 (eye-oh-BEN-gwane I 123)
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.
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, reserpine, Serpalan®, Trandate®) or medicines to treat depression (such as amitriptyline, fluoxetine, imipramine, paroxetine, Celexa®, Elavil®, Lexapro?, Paxil®, Zoloft®.
- Tell your doctor if you are using cocaine, ephedrine, phenylephrine, phenylpropanolamine, or pseudoephedrine (Sudafed®).
Warnings While Using This Medicine
- Make sure your doctor knows if you are pregnant or breastfeeding, or if you have kidney disease, high blood pressure, or thyroid problems. Tell your doctor if you have had an allergic reaction to iodine, an iodine-containing contrast agent (dye), or other products containing iodine.
- This medicine contains benzyl alcohol which may cause serious reactions to premature or low-birthweight infants. Discuss this with your doctor if you are concerned.
- Your doctor will need to check your progress at regular visits while you are using this medicine. Be sure to 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.
- Bleeding, pain, itching, burning, swelling, or a lump under your skin where the needle is placed.
If you notice these less serious side effects, talk with your doctor:
- Skin rash or itching.
- Warmth or redness in your face, neck, arms, or upper chest.
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