3-Iodobenzylguanidine Injection (IOBENGUANE I 131 - INJECTION)

For treating cancer.

Brand Name(s): Azedra

Generic Name: Iobenguane I-131

Instructions

This is an IV medicine. It is given through a sterile tube directly into the vein by a healthcare provider.

This medicine should be given by a trained health care provider.

You must be monitored by a health care professional during and after each dose is given.

Drink at least 8 cups (2 L) of water every day, starting at least one day before and continuing for 1 week after each dose. This will reduce the risk of bladder damage.

To relieve dry mouth, chew gum, suck on hard candy/ice chips, drink extra water, or use a saliva substitute.

It is important that you keep taking each dose of this medicine on time even if you are feeling well.

If you miss a dose, contact your doctor for instructions.

Drug interactions can change how medicines work or increase risk for side effects. Tell your health care providers about all medicines taken. Include prescription and over-the-counter medicines, vitamins, and herbal medicines. Speak with your doctor or pharmacist before starting or stopping any medicine.

This medicine is usually combined with another medicine to treat your condition.

Your doctor may prescribe other medications to reduce side effects. Follow instructions carefully.

Learn how to check blood pressure at home.

Keep all appointments for medical exams and tests while on this medicine.

Cautions

Tell your doctor and pharmacist if you ever had an allergic reaction to a medicine.

This medicine may increase the risk of cancer. Ask your doctor about the benefits and risks.

This medicine may cause dizziness or fainting, especially after exercising or in hot weather. Be very careful when standing or sitting up quickly.

Your ability to stay alert or to react quickly may be impaired by this medicine. Do not drive or operate machinery until you know how this medicine will affect you.

If possible, avoid using with alcohol, marijuana, or other medicines that can cause dizziness or drowsiness. These include allergy/cold products, muscle relaxers, sleep aids, and pain relievers.

This medicine may reduce your body's ability to fight infections. Avoid contact with people with colds, flu or other infections. Contact your doctor if you develop fever, cough, sore throat, or chills.

Speak with your health care provider before receiving any vaccinations.

Do not breastfeed while on this medicine. You may safely start breastfeeding 80 days after stopping treatment.

This medicine can hurt a new baby in the womb. If you become pregnant while on this medicine, tell your doctor immediately. Your doctor may switch you to a different medicine.

Women of childbearing age should have a negative pregnancy test before starting this medicine.

Women must use reliable forms of birth control while taking this medicine and for 7 months after stopping to prevent pregnancy.

Men with a female partner who is of childbearing age must use reliable birth control during sexual activity while taking this medicine and for 4 months after stopping to prevent pregnancy.

Always carry an ID card or wear a medical alert bracelet indicating your medical condition.

Side Effects

The following is a list of some common side effects from this medicine. Please speak with your doctor about what you should do if you experience these or other side effects.

  • pain in the abdomen
  • change in appetite
  • constipation or diarrhea
  • dizziness
  • dry mouth
  • lack of energy and tiredness
  • hair loss
  • headaches
  • lightheadedness
  • nausea and vomiting
  • sore throat
  • changes in taste or unpleasant taste

Call your doctor or get medical help right away if you notice any of these more serious side effects:

  • cough that does not go away
  • fever or chills
  • signs of kidney damage (such as change in urine color or bubbly urine)

A few people may have an allergic reaction to this medicine. Symptoms can include difficulty breathing, skin rash, itching, swelling, or severe dizziness. If you notice any of these symptoms, seek medical help quickly.

Please speak with your doctor, nurse, or pharmacist if you have any questions about this medicine.

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