Reported Reactions

Drugs

Product name as reported

Pyridoxine: adverse event reports filed with FDA

1,230 reports list it as a suspect or interacting product, 2004–2026.

1,230
reports as suspect product
0% of all reports · about 56 a year
93
reports, 12 months to June 2026
139 in the 12 months before
95.4%
marked serious by the reporter
57.4% across all reports
18%
record death among outcomes, as reported
221 reports · not verified by FDA

1,230 adverse event reports received by FDA list the product name "Pyridoxine" as reporters wrote it as a suspect or interacting product, from September 2004 to June 2026. A further 5,635 reports list it only as a concomitant medication, and those are not counted in the figures on this page.

In the 12 months to June 2026, 93 reports listed it, down 33% from 139 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 56 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.

Reporters most often recorded drug ineffective (22.9%), off label use (21.7%) and nausea (13.8%). A report can list several reactions, so shares add to more than 100%; 531 different terms appear across these reports. Drug ineffective is recorded in 22.9% of these reports, against 6.3% of all reports in the database.

95.4% of the reports are marked serious by the reporter; 18% record death among the outcomes and 49% record hospitalisation, as reported. 63.6% of the reports came from other health professionals, and the largest patient age group is 18 to 44 (23.8%). 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

01530Jul 2021: 6Aug 2021: 19Sep 2021: 14Oct 2021: 6Nov 2021: 6Dec 2021: 62022Jan 2022: 4Feb 2022: 10Mar 2022: 3Apr 2022: 9May 2022: 7Jun 2022: 11Jul 2022: 10Aug 2022: 10Sep 2022: 28Oct 2022: 9Nov 2022: 17Dec 2022: 222023Jan 2023: 12Feb 2023: 22Mar 2023: 16Apr 2023: 16May 2023: 14Jun 2023: 19Jul 2023: 18Aug 2023: 30Sep 2023: 15Oct 2023: 9Nov 2023: 14Dec 2023: 162024Jan 2024: 17Feb 2024: 12Mar 2024: 13Apr 2024: 14May 2024: 7Jun 2024: 12Jul 2024: 12Aug 2024: 11Sep 2024: 10Oct 2024: 26Nov 2024: 14Dec 2024: 72025Jan 2025: 11Feb 2025: 8Mar 2025: 13Apr 2025: 2May 2025: 5Jun 2025: 20Jul 2025: 17Aug 2025: 4Sep 2025: 6Oct 2025: 5Nov 2025: 16Dec 2025: 92026Jan 2026: 2Feb 2026: 12Mar 2026: 6Apr 2026: 4May 2026: 9Jun 2026: 3

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

01012012004: 420042007: 32008: 52009: 920092010: 22011: 12012: 920122013: 252014: 282015: 2520152016: 402017: 812018: 8620182019: 942020: 712021: 9920212022: 1402023: 2012024: 15520242025: 1162026: 36

2026 covers reports received through June 2026 only.

Reactions recorded in the reports

share of Pyridoxine reports recording the termall reports in the database

  1. Drug ineffectivethe medicine did not work as expected22.9%282
  2. Off label useused for a purpose or in a way not on the label21.7%267
  3. Nauseafeeling sick13.8%170
  4. Anaemialow red blood cells10.7%132
  5. Abdominal painstomach or belly pain10.3%127
  6. Constipationconstipation9.7%119
  7. Headachehead pain9.3%114
  8. Painpain, site not specified8.5%104
  9. Pyrexiafever8.4%103
  10. Vomitingbeing sick7.2%88
  11. Foetal exposure during pregnancythe unborn baby was exposed to the medicine7.1%87
  12. Maternal exposure during pregnancythe mother took the medicine during pregnancy6.9%85
  13. Chronic sinusitis6.7%83
  14. Erythemaskin redness6.6%81
  15. Exposure during pregnancythe medicine was taken during pregnancy6.4%79
  16. Malaisegeneral feeling of being unwell6.3%77
  17. Weight decreasedweight loss6.3%77
  18. Stressstress6.2%76
  19. Infusion related reactiona reaction during or soon after an infusion5.9%73
  20. Hyponatraemialow blood sodium5.9%72
  21. Colitisinflamed bowel5.7%70
  22. Condition aggravatedthe condition being treated got worse5.7%70
  23. Haematocheziablood in the stool5.7%70
  24. Dyspepsiaindigestion5.6%69
  25. Oral candidiasisoral thrush5.6%69
  26. Somnolencedrowsiness5.5%68

Top 30 of 531 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

Death18%221
Life-threatening11.8%145
Hospitalisation (initial or prolonged)49%603
Disability5%61
Congenital anomaly5.4%66
Other serious76.3%938
Not serious4.6%57

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 26.5%80
2 to 113.5%43
12 to 172.8%35
18 to 4423.8%293
45 to 6411.5%141
65 to 7411%135
75 and over9.8%121
Age not given31.1%382

Patient sex

Female52.8%649
Male32.3%397
Not given15%184

Who reported

Physician24.6%303
Pharmacist2.9%36
Other health professional63.6%782
Lawyer0.1%1
Consumer or non-health professional7.1%87
Not given1.7%21

Age and sex as stated in the report; the reporter's qualification is the primary source recorded by FDA. 22.5% of reports give the United States as the country of the event or reporter.

Reason for use recorded

Indication as recorded (MedDRA)ReportsShare
Tuberculosis967.8%
Vitamin supplementation635.1%
Seizure554.5%
Pulmonary tuberculosis393.2%
Status epilepticus211.7%
Latent tuberculosis181.5%

The indication field is filled in by the reporter and is often blank; shares are of all 1,230 reports.

Drugs most often listed in the same reports

Drug (any role in the report)ReportsShare of Pyridoxine reports
Isoniazid29023.6%
Acetaminophen24519.9%
Levetiracetam19515.9%
Phenobarbital16413.3%
Metronidazole15612.7%
Ergocalciferol14611.9%
Bisacodyl14111.5%
Folic acid13911.3%
Pregabalin13711.1%
Potassium chloride13310.8%

Other products listed in reports where Pyridoxine 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

MeasurePyridoxineAll reports
Reports as suspect product1,23020,646,523
Share of that pool—0%
Reports, latest 12 months931,332,454
Marked serious95.4%57.4%
Death recorded among outcomes, per 1,000 reports18091
Hospitalisation recorded, per 1,000 reports490213
Consumer-filed share7.1%45.8%
Top term, share of reportsDrug ineffective 22.9%6.3%

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 Pyridoxine reports

How many adverse event reports has FDA received for Pyridoxine?

1,230 reports list Pyridoxine as a suspect or interacting product in the openFDA FAERS release of 28 Sep 2026, covering reports received through June 2026. 93 of them arrived in the latest 12 months. Another 5,635 list it only as a concomitant medication.

What reactions are recorded in Pyridoxine reports?

drug ineffective (22.9%), off label use (21.7%), nausea (13.8%), anaemia (10.7%) and abdominal pain (10.3%). 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 Pyridoxine was responsible.

How serious are the reports?

95.4% are marked serious by the reporter. Among the outcomes recorded, 18% of reports include death and 49% 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 (63.6%), physician (24.6%) and consumer or non-health professional (7.1%). Most reports reach FDA through the manufacturer, which must forward reports it receives.

Are reports for Pyridoxine rising?

93 reports in the 12 months to June 2026, down 33% from 139 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 Pyridoxine 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 Pyridoxine?

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 Pyridoxine as a suspect or interacting product; reports listing it only as a concomitant medication (5,635) 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.