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Ferumoxytol (Intravenous Route)

US Brand Names

Description

Ferumoxytol injection is an iron replacement product that is used to treat iron deficiency anemia (not enough iron in the blood) in patients with chronic kidney disease (CKD).

Iron is a mineral that the body needs to produce red blood cells. When the body does not get enough iron, it cannot produce the number of normal red blood cells needed to keep you in good health. This condition is called iron deficiency (iron shortage) or iron deficiency anemia.

This medicine is available only with your doctor's prescription.

This product is available in the following dosage forms:

• Solution

Before Using

In deciding to use a medicine, the risks of taking the medicine must be weighed against the good it will do. This is a decision you and your doctor will make. For this medicine, the following should be considered:

Allergies

Tell your doctor if you have ever had any unusual or allergic reaction to this medicine or any other medicines. Also tell your health care professional if you have any other types of allergies, such as to foods, dyes, preservatives, or animals. For non-prescription products, read the label or package ingredients carefully.

Pediatric

Appropriate studies have not been performed on the relationship of age to the effects of ferumoxytol injection in the pediatric population. Safety and efficacy have not been established.

Geriatric

Appropriate studies performed to date have not demonstrated geriatric-specific problems that would limit the usefulness of ferumoxytol injection in the elderly. However, elderly patients are more likely to have age-related kidney, liver, or heart problems, which may require caution and an adjustment in the dose for patients receiving ferumoxytol injection.

Pregnancy

Breastfeeding

There are no adequate studies in women for determining infant risk when using this medication during breastfeeding. Weigh the potential benefits against the potential risks before taking this medication while breastfeeding.

Drug Interactions

Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. Tell your healthcare professional if you are taking any other prescription or nonprescription (over-the-counter [OTC]) medicine.

Other Interactions

Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur. Discuss with your healthcare professional the use of your medicine with food, alcohol, or tobacco.

Other Medical Problems

The presence of other medical problems may affect the use of this medicine. Make sure you tell your doctor if you have any other medical problems, especially:

• Hypotension (low blood pressure)—Use with caution. May make this condition worse.

• Iron overload—Use is not recommended in patients with this condition.

Proper Use

A nurse or other trained health professional will give you this medicine in a hospital. This medicine is given through a needle placed in one of your veins. A second dose will be given 3 to 8 days after your first dose.

Precautions

It is very important that your doctor check your progress at regular visits to make sure that this medicine is working properly. Blood tests may be needed to check for unwanted effects.

This medicine may cause serious types of allergic reactions, including anaphylaxis. Anaphylaxis can be life-threatening and requires immediate medical attention. Call your doctor right away if you have a rash; itching; hoarseness; lightheadedness, dizziness, or fainting; trouble with breathing; trouble with swallowing; or any swelling of your hands, face, or mouth after you receive this medicine.

Dizziness, lightheadedness, or fainting may occur, especially when you get up from a lying or sitting position suddenly. These symptoms are more likely to occur when you begin using this medicine, or when the dose is increased.

Before you have any medical tests, tell the medical doctor in charge that you are using this medicine. The results of some tests (e.g., magnetic resonance imaging or MRI) may be affected by this medicine.

Side Effects

Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor or nurse immediately if any of the following side effects occur:

• Bloating or swelling of the face, arms, hands, lower legs, or feet
• Blurred vision
• Chest pain
• Confusion
• Difficult or labored breathing
• Dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position
• Fever
• Rapid weight gain
• Shortness of breath
• Sweating
• Tightness in the chest
• Tingling of the hands or feet
• Unusual tiredness or weakness
• Unusual weight gain or loss
• Wheezing

• Bluish color of the fingernails, lips, skin, palms, or nail beds
• Chest discomfort
• Cough
• Decreased urine output
• Difficulty with swallowing
• Dilated neck veins
• Dizziness
• Extreme fatigue
• Fainting
• Fast, pounding, or irregular heartbeat or pulse
• Hives
• Irregular breathing
• Itching
• Large, hive-like swelling on the face, eyelids, lips, tongue, throat, hands, legs, feet, or sex organs
• Loss of consciousness
• Nausea or vomiting
• No blood pressure or pulse
• Pain in the shoulders, arms, jaw, or neck
• Puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
• Skin rash
• Stopping of the heart
• Swelling of the face, fingers, feet, or lower legs
• Troubled breathing
• Unconsciousness
• Unresponsiveness
• Weight gain

Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

• Abdominal or stomach pain
• Back pain
• Headache
• Muscle spasms

Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.

Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.

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