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What should I discuss with my health care provider before receiving ferumoxsil (GastroMARK)?
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:
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.
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 (GastroMARK)?
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.
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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