Iobenguane I 123 (eye-oh-BEN-gwane I 123)
Used to help view and measure tumors, heart problems, and other problems inside the body. Given before a medical test or procedure.
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.
- Drink extra fluids before and after you are given this medicine, so you will pass more urine. You should urinate as much as possible for the first 48 hours after you were given this medicine. This will help protect you bladder so it is not exposed to as much radiation.
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 a blood pressure medicine (such as labetalol, reserpine, Serpalan®, Trandate®) or medicine to treat depression (such as amitriptyline, citalopram, fluoxetine, imipramine, nortriptyline, sertraline, Cymbalta®, Effexor®, Elavil®, Lexapro®, Pristiq®).
- Tell your doctor if you are using medicine to treat a cold or allergies, such as ephedrine, phenylephrine, pseudoephedrine, Neo-Synephrine®, Primatene®, or Sudafed®. Your doctor needs to know if you use cocaine, because it could affect the results of this test.
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, Parkinson disease, or thyroid problems. Tell your doctor if you have had an allergic reaction to iodine or anything that contains iodine.
- You will be exposed to radiation when you are given this medicine. Talk with your doctor if you have concerns about this.
- This medicine contains benzyl alcohol, which may cause serious reactions in premature or low-birth-weight infants. Discuss this with your doctor if you are concerned.
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
- Severe bleeding, pain, itching, burning, bruising, or swelling where the needle is placed
If you notice these less serious side effects, talk with your doctor:
- Mild reaction where the needle is placed
- Mild skin rash or itching
- Warmth or redness in your face, neck, arms, or upper chest