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Ferric Carboxymaltose Side Effects

The most commonly reported side effects of ferric carboxymaltose include hypophosphataemia, nausea, and pain, based on 4,698 FDA adverse event reports from 2004 to 2025.

Ferric Carboxymaltose side effects

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

1
Hypophosphataemia18.7%879
2
Nausea13.5%634
3
Pain9.4%443
4
Dyspnoea9.3%435
5
Headache8.2%385
6
Product Quality Issue6.9%323
7
Dizziness6.5%305
8
Anxiety6.2%292
9
Urticaria6.1%287
10
Arthralgia5.8%272
11
Vomiting5.7%270
12
Emotional Distress5.5%258
13
Anhedonia5.4%254
14
Pruritus5.3%248
15
Asthenia4.9%228

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

Report severity

53.5%Serious2,513 reports
14.5%Hospitalizations680 reports
4.7%Fatal219 reports

Seriousness is determined by the reporter, not by OpenClaim.

Ferric Carboxymaltose drug interactions

Other drugs that appear in adverse event reports alongside ferric carboxymaltose. 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
Allopurinol2.9%134
2
Acetaminophen2.8%133
3
Ondansetron2.8%130
4
Darbepoetin-alfa2.7%128
5
Calcitriol2.7%127
6
Metronidazole2.7%126
7
Ipratropium-bromide2.6%124
8
Amiodarone-hydrochloride2.6%124
9
Betamethasone2.6%123
10
Dextrose2.6%123
11
Dalteparin-sodium2.6%123
12
Simvastatin2.6%123
13
Oseltamivir-phosphate2.6%123
14
Heparin2.6%122
15
Ceftriaxone-sodium2.6%122

Taken alongside

1
Ergocalciferol7.1%333
2
Acetaminophen6.5%307
3
Cyanocobalamin4.3%200
4
Omeprazole4.0%189
5
Albuterol4.0%186
6
Diphenhydramine3.6%170
7
Levothyroxine-sodium3.6%167
8
Aspirin3.4%161
9
Ondansetron3.3%154
10
Pantoprazole-sodium3.0%143
11
Ferrous-sulfate2.9%136
12
Amlodipine2.6%121
13
Prednisone2.4%114
14
Furosemide2.4%113
15
Gabapentin2.4%113

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 ferric carboxymaltose side effects

69.0% of ferric carboxymaltose adverse event reports involve female patients and 15.4% involve male patients. The largest age group is adult at 68%. These figures reflect who reports side effects, not underlying risk.

Sex

Female69.0%
Male15.4%
Unknown15.6%

Age group

< 20.7%
2–110.7%
12–172.2%
18–6468.4%
65+28.0%

What is ferric carboxymaltose used for

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

AnaemiaAnaemia Of Chronic DiseaseAnaemia Of PregnancyAnaemia PostoperativeAnaemia ProphylaxisAbnormal Uterine BleedingAdverse Drug ReactionAnaemiaAnaemia Of Chronic DiseaseAnaemia Of PregnancyAnaemia ProphylaxisAnaemia Vitamin B12 DeficiencyAutoimmune Haemolytic AnaemiaBehcet^s SyndromeBlood Count Abnormal

Showing 15 of 122 indications

Ferric Carboxymaltose brand names and reporting trend

Ferric Carboxymaltose is sold under the brand name Injectafer.

Brand names

Injectafer3,238

Quarterly reports (20042025)

2004201520202025

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

Taking ferric carboxymaltose with another medication?

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