ferumoxsil

ferumoxsil

Pronunciation: fer yoo MOX il

Brand: GastroMARK

What is the most important information I should know about ferumoxsil?

Multum donot

Do not receive this medication if you are allergic to ferumoxsil, or if you have a blocked or perforated intestine.

Before receiving this medication, tell your doctor if you are allergic to any drugs, if you have an iron overload disorder (such as chronic hemolytic anemia) or if you have received frequent blood transfusions. Also tell your doctor if you have a history of hiatal hernia, gastroesophageal reflux disease (GERD), inflammatory bowel disease, or if you have recently had any nausea, vomiting or diarrhea.

Multum emt

After receiving ferumoxsil, call your doctor at once if you have severe stomach pain or cramping, or a skin rash with bruising, severe tingling, numbness, pain, and muscle weakness.

Less serious side effects are more likely to occur, such as mild stomach pain, nausea, vomiting, diarrhea, headache, or numbness and tingling of your mouth.

What is ferumoxsil?

Ferumoxsil is in a group of drugs called imaging contrast agents. Ferumoxsil contains iron, a substance that is magnetic. Contrast agents are used to allow certain internal organs to be seen clearly on an MRI (magnetic resonance imaging).

Ferumoxsil is used to help diagnose certain disorders of the stomach or intestines.

Ferumoxsil may also be used for purposes other than those listed in this medication guide.

What should I discuss with my health care provider before receiving ferumoxsil?

Multum donot

Do not receive this medication if you are allergic to ferumoxsil, or if you have a blocked or perforated intestine.

Before receiving this medication, tell your doctor if you are allergic to any drugs, or if you have:

  • an iron overload disorder such as chronic hemolytic anemia;
  • a history of frequent blood transfusions;
  • a history of hiatal hernia;
  • gastroesophageal reflux disease (GERD);
  • inflammatory bowel disease;
  • if you tend to burp up food, especially when lying down after a meal; or
  • if you have recently had any nausea, vomiting, or diarrhea.

If you have any of these conditions, you may not be able to receive ferumoxsil.

FDA pregnancy category B. This medication is not expected to be harmful to an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant during treatment.

Multum nobrfeed

It is not known whether ferumoxsil passes into breast milk or if it could harm a nursing baby. Do not use this medication without telling your doctor if you are breast-feeding a baby.

How is ferumoxsil used?

Ferumoxsil is a liquid that you will be asked to drink before your MRI is performed.

Ferumoxsil must be taken on an empty stomach. You will need to fast (not eat or drink anything) for at least 4 hours before you take this medicine.

In some cases, the MRI will be done within 30 minutes after you drink the ferumoxsil. However, you may be asked to drink the liquid several hours before your MRI. Follow your doctor's instructions.

What happens if I miss a dose?

Since ferumoxsil is used only for the purposes of your MRI, you will not be on a dosing schedule.

What happens if I overdose?

Contact your doctor if you think you have received too much of this medication. Symptoms of a ferumoxsil overdose are not known.

What should I avoid while taking ferumoxsil?

On the day of your MRI, avoid foods or beverages that upset your stomach. Ferumoxsil can cause mild to severe stomach discomfort.

What are the possible side effects of ferumoxsil?

Multum emt

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Multum emt

Call your doctor at once if you have any of these serious side effects:

  • severe stomach pain or cramping; or
  • skin rash, bruising, severe tingling, numbness, pain, muscle weakness.

Less serious side effects are more likely to occur, such as:

  • mild stomach pain, nausea, vomiting, diarrhea;
  • upset stomach;
  • skin rash or itching;
  • headache; or
  • numbness or tingling in or around your mouth.

Side effects other than those listed here may also occur. Talk to your doctor about any side effect that seems unusual or that is especially bothersome. You may report side effects to FDA at 1-800-FDA-1088.

What other drugs will affect ferumoxsil?

Before receiving this medication, tell your doctor if you are using iron supplements.

There may be other drugs that can affect ferumoxsil. Tell your doctor about all the prescription and over-the-counter medications you use. This includes vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start using a new medication without telling your doctor.

Where can I get more information?

Your doctor has information about ferumoxsil written for health professionals that you may read.


Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.

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