Reported Reactions

Drugs

Product name as reported

Idarubicin: adverse event reports filed with FDA

3,458 reports list it as a suspect or interacting product, 2004–2026.

3,458
reports as suspect product
0% of all reports · about 158 a year
195
reports, 12 months to June 2026
312 in the 12 months before
98.6%
marked serious by the reporter
57.4% across all reports
26.6%
record death among outcomes, as reported
919 reports · not verified by FDA

Between August 2004 and June 2026, 3,458 adverse event reports received by FDA list the product name "Idarubicin" as reporters wrote it as a suspect or interacting product. Reports that mention it only as a concomitant medication (1,116) are left out of every figure here.

In the 12 months to June 2026, 195 reports listed it, down 37% from 312 in the 12 months before. FDA releases FAERS data quarterly, so the newest months are incomplete and grow in later releases. Over its reporting history that is about 158 reports a year and 0% of the 20,646,523 reports in the database. How many people take it is not in the data, so a count is not a rate of occurrence.

The reactions recorded most often are febrile neutropenia (15.3%), off label use (10.3%) and neutropenia (9.5%). A report can list several reactions, so shares add to more than 100%; 778 different terms appear across these reports. Febrile neutropenia is recorded in 15.3% of these reports, against 0.3% of all reports in the database.

98.6% of the reports are marked serious by the reporter; 26.6% record death among the outcomes and 37.9% record hospitalisation, as reported. 55.6% of the reports came from other health professionals, and the largest patient age group is 45 to 64 (29.3%). FDA states that "a causal relationship cannot be established between product and reactions listed in a report" and that for any given report "there is no certainty that a suspected drug caused the event."

Reports by month, five years

05099Jul 2021: 22Aug 2021: 15Sep 2021: 11Oct 2021: 13Nov 2021: 10Dec 2021: 192022Jan 2022: 23Feb 2022: 17Mar 2022: 17Apr 2022: 9May 2022: 12Jun 2022: 36Jul 2022: 9Aug 2022: 20Sep 2022: 18Oct 2022: 20Nov 2022: 21Dec 2022: 182023Jan 2023: 11Feb 2023: 14Mar 2023: 4Apr 2023: 15May 2023: 17Jun 2023: 27Jul 2023: 20Aug 2023: 12Sep 2023: 10Oct 2023: 26Nov 2023: 27Dec 2023: 122024Jan 2024: 32Feb 2024: 8Mar 2024: 22Apr 2024: 15May 2024: 6Jun 2024: 6Jul 2024: 14Aug 2024: 28Sep 2024: 58Oct 2024: 24Nov 2024: 14Dec 2024: 992025Jan 2025: 19Feb 2025: 12Mar 2025: 16Apr 2025: 9May 2025: 8Jun 2025: 11Jul 2025: 27Aug 2025: 10Sep 2025: 13Oct 2025: 5Nov 2025: 25Dec 2025: 272026Jan 2026: 9Feb 2026: 7Mar 2026: 11Apr 2026: 14May 2026: 19Jun 2026: 28

Reports by the month FDA received them. FDA releases FAERS data quarterly, so the newest months are incomplete and grow in later releases.

By year received

02525032004: 220042005: 32007: 32008: 520082009: 22010: 92011: 4220112012: 442013: 1362014: 20320142015: 2202016: 1882017: 34920172018: 5032019: 2392020: 30120202021: 1982022: 2202023: 19520232024: 3262025: 1822026: 882026

2026 covers reports received through June 2026 only.

Reactions recorded in the reports

share of Idarubicin reports recording the termall reports in the database

  1. Febrile neutropeniafever with low white blood cells15.3%529
  2. Off label useused for a purpose or in a way not on the label10.3%356
  3. Neutropenialow neutrophils, a type of white blood cell9.5%328
  4. Drug ineffectivethe medicine did not work as expected8.3%288
  5. Thrombocytopenialow platelets7.8%269
  6. Sepsisa severe body-wide response to infection7.2%248
  7. Pancytopenialow counts of all blood cells6.6%228
  8. Pyrexiafever6.4%221
  9. Septic shockshock arising from infection5.2%181
  10. Pneumonialung infection5.1%176
  11. Product use in unapproved indicationused for a purpose not on the label4.5%157
  12. Deaththe patient died; cause not stated by this term4.4%153
  13. Diarrhoealoose or frequent stools3.9%135
  14. Respiratory failurethe lungs could not supply enough oxygen3.3%114
  15. Anaemialow red blood cells3.2%112
  16. Acute myeloid leukaemia recurrent3.2%109
  17. Infectionan infection, type not specified3.1%108
  18. Multiple organ dysfunction syndromeseveral organs failing2.7%95
  19. Acute kidney injurysudden loss of kidney function2.3%81
  20. Disease progressionthe disease advanced2.1%74
  21. Fungal infectiona fungal infection2.1%72
  22. Headachehead pain2%68
  23. Renal failurekidney failure1.9%66
  24. Hypotensionlow blood pressure1.8%62

Top 30 of 778 MedDRA preferred terms recorded across these reports, with a plain-language gloss where one is available. One report can record several terms. The hollow bar is the share of all reports in the database; it describes the reports, not the patients. FDA states that adverse event reports "represent a small percentage of total usage numbers of a product", that "common products may have a higher number of adverse events due to the higher total number of people using the product", and that the data "by themselves are not an indicator of the safety profile of the drug or biologic."

Outcomes recorded

Death26.6%919
Life-threatening14.6%505
Hospitalisation (initial or prolonged)37.9%1,312
Disability1.1%39
Congenital anomaly0.1%2
Other serious68.2%2,359
Not serious1.4%50

Outcome flags as the reporter set them; a report can carry several, and "other serious" is FDA's own category for serious reports outside the named outcomes. Grey bar: all 20,646,523 reports. FDA has not verified any outcome and states that the reports "cannot be used to estimate the incidence of these events."

Patients and reporters

Patient age

Under 21.4%49
2 to 117.7%266
12 to 174.2%146
18 to 4420.9%724
45 to 6429.3%1,013
65 to 7412%415
75 and over2.2%75
Age not given22.3%770

Patient sex

Female38.9%1,346
Male44.9%1,552
Not given16.2%560

Who reported

Physician34.3%1,185
Pharmacist2.1%71
Other health professional55.6%1,924
Lawyer0%0
Consumer or non-health professional5.8%199
Not given2.3%79

Age and sex as stated in the report; the reporter's qualification is the primary source recorded by FDA. 25% of reports give the United States as the country of the event or reporter.

Reason for use recorded

Indication as recorded (MedDRA)ReportsShare
Acute myeloid leukaemia1,57145.4%
Acute promyelocytic leukaemia3279.5%
Acute lymphocytic leukaemia2376.9%
Chemotherapy671.9%
Myelodysplastic syndrome441.3%
B-cell type acute leukaemia401.2%

The indication field is filled in by the reporter and is often blank; shares are of all 3,458 reports.

Drugs most often listed in the same reports

Drug (any role in the report)ReportsShare of Idarubicin reports
Cytarabine2,63876.3%
Fludarabine90426.1%
Methotrexate67119.4%
Etoposide63418.3%
Cyclophosphamide58817%
Dexamethasone50914.7%
Vincristine44312.8%
Mitoxantrone36010.4%
Daunorubicin3229.3%
Venetoclax2938.5%

Other products listed in reports where Idarubicin is a suspect product, whatever their own role. Co-listing means the two were recorded together; it says nothing about either product's part in the event. Only the 2,500 most-reported names are counted here.

In context

MeasureIdarubicinAll reports
Reports as suspect product3,45820,646,523
Share of that pool—0%
Reports, latest 12 months1951,332,454
Marked serious98.6%57.4%
Death recorded among outcomes, per 1,000 reports26691
Hospitalisation recorded, per 1,000 reports379213
Consumer-filed share5.8%45.8%
Top term, share of reportsFebrile neutropenia 15.3%0.3%

Shares are of reports, not of patients treated. The number of people taking a product is not in the data, so none of these figures is a rate, and differences between columns reflect who takes a product, who reports and how long it has been sold. FDA states that adverse event reports "represent a small percentage of total usage numbers of a product", that "common products may have a higher number of adverse events due to the higher total number of people using the product", and that the data "by themselves are not an indicator of the safety profile of the drug or biologic."

Questions about Idarubicin reports

How many adverse event reports has FDA received for Idarubicin?

3,458 reports list Idarubicin as a suspect or interacting product in the openFDA FAERS release of 28 Sep 2026, covering reports received through June 2026. 195 of them arrived in the latest 12 months. Another 1,116 list it only as a concomitant medication.

What reactions are recorded in Idarubicin reports?

febrile neutropenia (15.3%), off label use (10.3%), neutropenia (9.5%), drug ineffective (8.3%) and thrombocytopenia (7.8%). These are MedDRA preferred terms coded from what the reporter described; a report can list several, and a term's presence is not a finding that Idarubicin was responsible.

How serious are the reports?

98.6% are marked serious by the reporter. Among the outcomes recorded, 26.6% of reports include death and 37.9% include hospitalisation. FDA has not verified these outcomes and states that the reports "cannot be used to estimate the incidence" of the events.

Who files these reports?

other health professional (55.6%), physician (34.3%) and consumer or non-health professional (5.8%). Most reports reach FDA through the manufacturer, which must forward reports it receives.

Are reports for Idarubicin rising?

195 reports in the 12 months to June 2026, down 37% from 312 in the 12 months before. FDA releases FAERS data quarterly, so the newest months are incomplete and grow in later releases. Counts also move with how many people take a product, its time on the market and publicity.

Do these reports show that Idarubicin was responsible for these reactions?

No. FDA states that "a causal relationship cannot be established between product and reactions listed in a report" and that for any given report "there is no certainty that a suspected drug caused the event." The reaction may relate to the condition being treated, to other medicines, or to something else.

Is this a list of the side effects of Idarubicin?

No. It is a count of what was reported to FDA. The adverse reactions observed in clinical studies are printed on the FDA-approved label, which a pharmacist or clinician can go through with you.

How do I report an adverse event?

Consumers and health professionals can report to FDA through MedWatch (Form FDA 3500 online, or 1-800-FDA-1088), or to the manufacturer, which must pass reports on. See the guide on how to report.

Where this comes from. Counts are built from the openFDA Drug Adverse Event (FAERS) bulk export released 28 Sep 2026, which holds reports FDA received through 30 Jun 2026. Drug names are as reported, resolved to the brand or generic name on the FDA label where openFDA's harmonisation matched them; classes are the pharmacologic class (EPC) from the label and the National Drug Code Directory of 17 Sep 2026. A report counts here when it lists Idarubicin as a suspect or interacting product; reports listing it only as a concomitant medication (1,116) are excluded. No report narrative, lot number, patient detail or reporter identity is published. See the methodology and sources; FDA's record is authoritative, and corrections are handled within five working days.

Drug data (FAERS) through 30 Jun 2026; device data (MAUDE) through 31 Aug 2026. Not medical advice.