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Generic Name: Indium In-111 Pentetreotide (IN dee um eye en won e LEV en pen te TREE oh tide)
Brand Name: OctreoScan

Medically reviewed by Last updated on Jul 31, 2020.

Uses of OctreoScan:

  • It is used with a test to check for tumors.

What do I need to tell my doctor BEFORE I take OctreoScan?

  • If you have an allergy to indium In-111 pentetreotide or any other part of OctreoScan (indium in-111 pentetreotide).
  • If you are allergic to OctreoScan (indium in-111 pentetreotide); any part of OctreoScan (indium in-111 pentetreotide); or any other drugs, foods, or substances. Tell your doctor about the allergy and what signs you had.

This medicine may interact with other drugs or health problems.

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 OctreoScan (indium in-111 pentetreotide) 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 OctreoScan?

  • Tell all of your health care providers that you take OctreoScan (indium in-111 pentetreotide). This includes your doctors, nurses, pharmacists, and dentists.
  • This medicine is radioactive. You will need to follow what the doctor has told you to lessen being exposed to OctreoScan (indium in-111 pentetreotide).
  • Tell your doctor if you are pregnant, plan on getting pregnant, or are breast-feeding. You will need to talk about the benefits and risks to you and the baby.

How is this medicine (OctreoScan) best taken?

Use OctreoScan (indium in-111 pentetreotide) as ordered by your doctor. Read all information given to you. Follow all instructions closely.

  • It is given as a shot into a vein.
  • Your doctor may tell you to use a laxative like bisacodyl or lactulose before and after getting OctreoScan (indium in-111 pentetreotide). Follow what your doctor has told you.
  • Drink lots of noncaffeine liquids before, during, and after using OctreoScan (indium in-111 pentetreotide) unless you are told to drink less liquid by your doctor.
  • You will need to empty your bladder often after the test is over as your doctor has told you.

What do I do if I miss a dose?

  • Call your doctor to find out what to do.

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, swallowing, or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
  • Signs of low blood sugar like dizziness, headache, feeling sleepy, feeling weak, shaking, a fast heartbeat, confusion, hunger, or sweating.

What are some other side effects of OctreoScan?

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 you have any side effects that bother you or do not go away.

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 the FDA at 1-800-332-1088. You may also report side effects at

If OVERDOSE is suspected:

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.

How do I store and/or throw out OctreoScan?

  • If you need to store OctreoScan (indium in-111 pentetreotide) at home, talk with your doctor, nurse, or pharmacist about how to store it.

Consumer information use

  • 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 all drugs in a safe place. Keep all drugs out of the reach of children and pets.
  • Throw away unused or expired drugs. Do not flush down a toilet or pour down a drain unless you are told to do so. Check with your pharmacist if you have questions about the best way to throw out drugs. There may be drug take-back programs in your area.
  • Some drugs may have another patient information leaflet. Check with your pharmacist. If you have any questions about OctreoScan (indium in-111 pentetreotide), please talk with your doctor, nurse, 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.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

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