Reported Reactions

Drugs

Product name as reported

Fluorouracil Accord: adverse event reports filed with FDA

524 reports list it as a suspect or interacting product, 2014–2021. Also reported as Fluorouracil Accord /00098801/.

524
reports as suspect product
0% of all reports · about 42 a year
0
reports, 12 months to June 2026
0 in the 12 months before
99.2%
marked serious by the reporter
57.4% across all reports
9.2%
record death among outcomes, as reported
48 reports · not verified by FDA

Between March 2014 and September 2021, 524 adverse event reports received by FDA list the product name "Fluorouracil Accord" as reporters wrote it as a suspect or interacting product. Reports that mention it only as a concomitant medication (23) are left out of every figure here.

In the 12 months to June 2026, 0 reports listed it, and none 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 42 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 off label use (14.5%), diarrhoea (13.5%) and neutropenia (8.2%). A report can list several reactions, so shares add to more than 100%; 160 different terms appear across these reports. Off label use is recorded in 14.5% of these reports, against 4.1% of all reports in the database.

99.2% of the reports are marked serious by the reporter; 9.2% record death among the outcomes and 59.9% record hospitalisation, as reported. 41.2% of the reports came from other health professionals, and the largest patient age group is 45 to 64 (43.3%). 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

023Jul 2021: 3Aug 2021: 3Sep 2021: 1Oct 2021: 0Nov 2021: 0Dec 2021: 02022Jan 2022: 0Feb 2022: 0Mar 2022: 0Apr 2022: 0May 2022: 0Jun 2022: 0Jul 2022: 0Aug 2022: 0Sep 2022: 0Oct 2022: 0Nov 2022: 0Dec 2022: 02023Jan 2023: 0Feb 2023: 0Mar 2023: 0Apr 2023: 0May 2023: 0Jun 2023: 0Jul 2023: 0Aug 2023: 0Sep 2023: 0Oct 2023: 0Nov 2023: 0Dec 2023: 02024Jan 2024: 0Feb 2024: 0Mar 2024: 0Apr 2024: 0May 2024: 0Jun 2024: 0Jul 2024: 0Aug 2024: 0Sep 2024: 0Oct 2024: 0Nov 2024: 0Dec 2024: 02025Jan 2025: 0Feb 2025: 0Mar 2025: 0Apr 2025: 0May 2025: 0Jun 2025: 0Jul 2025: 0Aug 2025: 0Sep 2025: 0Oct 2025: 0Nov 2025: 0Dec 2025: 02026Jan 2026: 0Feb 2026: 0Mar 2026: 0Apr 2026: 0May 2026: 0Jun 2026: 0

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

0561122014: 2120142015: 6320152016: 11220162017: 11120172018: 3720182019: 9520192020: 7020202021: 152021

Reactions recorded in the reports

share of Fluorouracil Accord reports recording the termall reports in the database

  1. Off label useused for a purpose or in a way not on the label14.5%76
  2. Diarrhoealoose or frequent stools13.5%71
  3. Neutropenialow neutrophils, a type of white blood cell8.2%43
  4. Vomitingbeing sick7.3%38
  5. Nauseafeeling sick6.3%33
  6. Thrombocytopenialow platelets5.3%28
  7. Pyrexiafever5.2%27
  8. Febrile neutropeniafever with low white blood cells5%26
  9. Astheniaweakness or lack of energy4.8%25
  10. Neuropathy peripheralnerve damage in hands or feet3.8%20
  11. Acute kidney injurysudden loss of kidney function3.4%18
  12. Anaemialow red blood cells3.1%16
  13. Pancytopenialow counts of all blood cells3.1%16
  14. Septic shockshock arising from infection3.1%16
  15. Decreased appetitereduced appetite2.5%13
  16. Erythemaskin redness2.5%13
  17. Chest painchest pain2.3%12
  18. Dyspnoeashortness of breath2.1%11
  19. Dehydrationdehydration1.9%10
  20. Arteriospasm coronary1.7%9
  21. Hypokalaemialow blood potassium1.7%9
  22. Paraesthesiatingling or pins and needles1.7%9
  23. Pulmonary embolisma blood clot in the lung1.7%9
  24. Stomatitissore mouth1.7%9
  25. Hypertensionhigh blood pressure1.5%8

Top 30 of 160 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

Death9.2%48
Life-threatening13.2%69
Hospitalisation (initial or prolonged)59.9%314
Disability2.7%14
Congenital anomaly0%0
Other serious36.8%193
Not serious0.8%4

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 20%0
2 to 110%0
12 to 170.4%2
18 to 447.6%40
45 to 6443.3%227
65 to 7433.8%177
75 and over12.2%64
Age not given2.7%14

Patient sex

Female42.6%223
Male54.8%287
Not given2.7%14

Who reported

Physician34.2%179
Pharmacist21.6%113
Other health professional41.2%216
Lawyer0.6%3
Consumer or non-health professional2.5%13
Not given0%0

Age and sex as stated in the report; the reporter's qualification is the primary source recorded by FDA. 1.3% of reports give the United States as the country of the event or reporter.

Reason for use recorded

Indication as recorded (MedDRA)ReportsShare
Adenocarcinoma of colon458.6%
Colon cancer458.6%
Breast cancer214%
Adenocarcinoma gastric183.4%
Colorectal adenocarcinoma183.4%
Adenocarcinoma pancreas142.7%

The indication field is filled in by the reporter and is often blank; shares are of all 524 reports.

In context

MeasureFluorouracil AccordAll reports
Reports as suspect product52420,646,523
Share of that pool—0%
Reports, latest 12 months01,332,454
Marked serious99.2%57.4%
Death recorded among outcomes, per 1,000 reports9291
Hospitalisation recorded, per 1,000 reports599213
Consumer-filed share2.5%45.8%
Top term, share of reportsOff label use 14.5%4.1%

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 Fluorouracil Accord reports

How many adverse event reports has FDA received for Fluorouracil Accord?

524 reports list Fluorouracil Accord as a suspect or interacting product in the openFDA FAERS release of 28 Sep 2026, covering reports received through June 2026. 0 of them arrived in the latest 12 months. Another 23 list it only as a concomitant medication.

What reactions are recorded in Fluorouracil Accord reports?

off label use (14.5%), diarrhoea (13.5%), neutropenia (8.2%), vomiting (7.3%) and nausea (6.3%). 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 Fluorouracil Accord was responsible.

How serious are the reports?

99.2% are marked serious by the reporter. Among the outcomes recorded, 9.2% of reports include death and 59.9% 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 (41.2%), physician (34.2%) and pharmacist (21.6%). Most reports reach FDA through the manufacturer, which must forward reports it receives.

Are reports for Fluorouracil Accord rising?

0 reports in the 12 months to June 2026, and none 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 Fluorouracil Accord 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 Fluorouracil Accord?

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 Fluorouracil Accord as a suspect or interacting product; reports listing it only as a concomitant medication (23) 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.