Iobenguane I 123

Adult Medication

Brand Names: US


What is this drug used for?

  • It is used to see if there is a tumor in the adrenal glands or nervous system.
  • It is used with a test for the heart.

What do I need to tell my doctor BEFORE I take this drug?

  • If you have an allergy to iobenguane or any other part of this drug.
  • If you are allergic to any drugs like this one, any other drugs, foods, or other substances. Tell your doctor about the allergy and what signs you had, like rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other signs.
  • This drug may interact with other drugs or health problems.
This is not a list of all drugs or health problems that interact with this drug.
Tell your doctor and pharmacist about all of your drugs (prescription or OTC, natural products, vitamins) and health problems. You must check to make sure that it is safe for you to take this drug with all of your drugs and health problems. Do not start, stop, or change the dose of any drug without checking with your doctor.

What are some things I need to know or do while I take this drug?

  • Tell dentists, surgeons, and other doctors that you use this drug.
  • Check blood pressure and heart rate as the doctor has told you. Talk with the doctor.
  • Unsafe allergic effects may rarely happen.
  • Some other drugs and health problems may cause false results of the test this drug is being used for. There are many drugs and health problems that can do this. Ask the doctor or pharmacist if you are not sure.
  • A drug to protect the thyroid gland will be given to you. Take it as you have been told. If this is not done, the chance of thyroid cancer later in life may be raised. Talk with your doctor.
  • This drug is radioactive. You will need to follow what the doctor has told you to lessen being exposed to this drug. Talk with the doctor.
  • This drug has benzyl alcohol in it. Benzyl alcohol may cause very bad and sometimes deadly side effects in newborns or infants. Talk with the doctor.
  • This drug may cause harm to the unborn baby if you take it while you are pregnant.
  • Tell your doctor if you are pregnant or plan on getting pregnant. You will need to talk about the benefits and risks of using this drug while you are pregnant.
  • Tell your doctor if you are breast-feeding. You will need to talk about any risks to your baby.

What are some side effects that I need to call my doctor about right away?

WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your doctor or get medical help right away if you have any of the following signs or symptoms that may be related to a very bad side effect:
  • Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
  • Very bad headache.
  • Very bad dizziness or passing out.

What are some other side effects of this drug?

All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away:
  • Flushing.
  • Dizziness.
  • Headache.
  • Irritation where the shot is given.
These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects.
You may report side effects to your national health agency.

How is this drug best taken?

Use this drug as ordered by your doctor. Read all information given to you. Follow all instructions closely.
  • It is given as a shot into a vein.
  • Drink lots of noncaffeine liquids before the test and for at least 48 hours after the test as your doctor has told you.

What do I do if I miss a dose?

  • Call the doctor to find out what to do.

How do I store and/or throw out this drug?

  • This drug will be given to you in a hospital or doctor’s office. You will not store it at home.

General drug facts

  • If your symptoms or health problems do not get better or if they become worse, call your doctor.
  • Do not share your drugs with others and do not take anyone else’s drugs.
  • Keep a list of all your drugs (prescription, natural products, vitamins, OTC) with you. Give this list to your doctor.
  • Talk with the doctor before starting any new drug, including prescription or OTC, natural products, or vitamins.
  • Keep all drugs in a safe place. Keep all drugs out of the reach of children and pets.
  • Check with your pharmacist about how to throw out unused drugs.
  • Some drugs may have another patient information leaflet. If you have any questions about this drug, please talk with your doctor, pharmacist, or other health care provider.
  • If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.

Consumer Information Use and Disclaimer

This information should not be used to decide whether or not to take this medicine or any other medicine. Only the healthcare provider has the knowledge and training to decide which medicines are right for a specific patient. This information does not endorse any medicine as safe, effective, or approved for treating any patient or health condition. This is only a brief summary of general information about this medicine. It does NOT include all information about the possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to this medicine. This information is not specific medical advice and does not replace information you receive from the healthcare provider. You must talk with the healthcare provider for complete information about the risks and benefits of using this medicine.

Last Reviewed Date



© 2015 Wolters Kluwer Clinical Drug Information, Inc. and its affiliates and/or licensors. All rights reserved.
If you have any questions or concerns, talk with a member of your healthcare team. You can reach them Monday through Friday from 9:00 am to 5:00 pm at ____________________. After 5:00 pm, during the weekend, and on holidays, please call____________________. If there’s no number listed, or you’re not sure, call 212-639-2000.
Iobenguane I 123
©2015 Memorial Sloan Kettering Cancer Center - Generated on November 25, 2015