OpenClaim

Ferumoxytol Side Effects

The most commonly reported side effects of ferumoxytol include dyspnoea, nausea, and flushing, based on 1,958 FDA adverse event reports from 2004 to 2025.

Ferumoxytol side effects

Percentages show how often each reaction appears relative to total reports for ferumoxytol.

1
Dyspnoea18.9%371
2
Nausea9.8%192
3
Flushing9.2%181
4
Infusion Related Reaction9.1%179
5
Back Pain8.7%170
6
Anaphylactic Reaction7.6%149
7
Chest Discomfort7.3%142
8
Dizziness7.0%137
9
Hypersensitivity5.9%116
10
Hypotension5.9%115
11
Dyspnoea5.3%103
12
Hypotension5.2%102
13
Chest Pain5.2%102
14
Unresponsive To Stimuli5.1%100
15
Vomiting4.7%93

These are voluntary reports and do not establish that ferumoxytol caused these reactions.

Report severity

62.9%Serious1,231 reports
24.9%Hospitalizations488 reports
7.2%Fatal140 reports

Seriousness is determined by the reporter, not by OpenClaim.

Ferumoxytol drug interactions

Other drugs that appear in adverse event reports alongside ferumoxytol. Drugs flagged as a suspected cause appear in the first column. Drugs taken at the same time but not suspected appear in the second.

Also suspected

1
Lenalidomide1.3%26
2
Bevacizumab0.7%14
3
Patiromer-sorbitex-calcium0.6%11
4
Esomeprazole0.5%10
5
Pantoprazole-sodium0.5%10
6
Venetoclax0.5%10
7
Gadoteridol0.5%9
8
Sodium-chloride0.5%9
9
Omeprazole0.5%9
10
Lansoprazole0.5%9
11
Epoetin0.4%7
12
Sodium-oxybate0.4%7
13
Fluorouracil0.3%6
14
Dexamethasone0.3%6
15
Dupilumab0.3%6

Taken alongside

1
Furosemide9.2%181
2
Acetaminophen9.2%180
3
Ergocalciferol8.7%170
4
Aspirin8.1%159
5
Levothyroxine-sodium6.9%135
6
Omeprazole6.5%128
7
Amlodipine6.3%123
8
Cyanocobalamin5.7%111
9
Metoprolol5.3%103
10
Insulin5.1%99
11
Carvedilol4.9%96
12
Albuterol4.8%94
13
Atorvastatin-calcium4.4%86
14
Diphenhydramine4.4%86
15
Gabapentin4.2%83

Co-occurrence in adverse event reports does not establish a drug interaction. Patients often take multiple medications, and these lists reflect prescribing patterns rather than causal relationships. Consult a healthcare provider about potential drug interactions.

Who reports ferumoxytol side effects

54.3% of ferumoxytol adverse event reports involve female patients and 24.3% involve male patients. The largest age group is adult at 51%. These figures reflect who reports side effects, not underlying risk.

Sex

Female54.3%
Male24.3%
Unknown21.4%

Age group

< 20.6%
2–110.9%
12–171.9%
18–6450.9%
65+45.8%

What is ferumoxytol used for

Conditions and purposes for which patients were taking ferumoxytol when the adverse event was reported.

AmyloidosisAnaemiaAnaemia MacrocyticAnaemia Of Chronic DiseaseAnaemia Of Malignant DiseaseAnaemia Of PregnancyAstheniaAutoimmune DisorderAnaemiaAnaemia Of PregnancyAngiogramBladder Transitional Cell CarcinomaBlood Iron AbnormalBlood Iron DecreasedBlood Loss Anaemia

Showing 15 of 101 indications

Ferumoxytol brand names and reporting trend

Ferumoxytol is sold under the brand name Ferabright.

Brand names

Ferabright252

Quarterly reports (20042025)

20042010201520202025

An upward trend reflects increased FAERS reporting overall, not necessarily increased risk.

Taking ferumoxytol with another medication?

Ask OpenClaim about your specific drug combination. Get a sourced report using FDA data, drug labels, and medical literature.