The following side effects may get better over time as your body gets used to the medication. Let your healthcare provider know immediately if you continue to experience these symptoms or if they worsen over time.
Common Side Effects
Side effects experienced by people without CKD:
- Headache (3%)
- Nausea (3%)
- Dizziness (2%)
- Tiredness (2%)
Side effects experienced by people with CKD:
- Dizziness (3%)
- Nausea (2%)
- Vomiting (2%)
- Low blood pressure (2%)
- Swelling of your hands and legs (2%)
- Headache (2%)
Less Common Side Effects
- Diarrhea
- Belly pain
- Back pain
- Chest pain
- Cough
- Fever
- Muscle spasms
- Trouble catching your breath
- Rash
Ferumoxytol serious side effects
Contact your healthcare provider immediately if you experience any of the following.
- Serious allergic reactions: trouble breathing, dizziness, rash, itching, hives, swelling of the tongue or throat
- Dangerously low blood pressure: fainting, nausea, blurry vision, clammy skin, shallow breathing
- Heart problems: flushing, chest discomfort or pain, irregular heartbeat
Source: DailyMed
The following Ferumoxytol side effects have also been reported
Side effects that you should report to your care team as soon as possible:
- Allergic reactions—skin rash, itching, hives, swelling of the face, lips, tongue, or throat
- Low blood pressure—dizziness, feeling faint or lightheaded, blurry vision
- Painful swelling, warmth, or redness of the skin, brown or dark skin color at the infusion site
- Shortness of breath
Side effects that usually do not require medical attention (report these to your care team if they continue or are bothersome):
- Flushing
- Headache
- Joint pain
- Muscle pain
- Nausea


