Public record

Cholecalciferol: the public record

1 table from US federal sources. Latest data date: Oct 28, 2026.

Each table is computed from the named federal dataset as of its data date; the method is under each one.

Adverse event reports

Most reported events in FDA adverse event reports for cholecalciferol

Through 2026-10-28, FDA had received 324,687 adverse event reports for cholecalciferol, 202,829 of them marked serious by the reporter. The symptom terms named most often were fatigue (31,111), diarrhoea (22,814) and nausea (22,688).

Most reported events in FDA adverse event reports for cholecalciferol: the figures
MeasureValueNote
All reports received324,687
Reports the reporter marked serious202,829death, hospitalisation, disability or similar outcome
Fatigue31,111 reports
Diarrhoea22,814 reports
Nausea22,688 reports
Headache20,849 reports
Pain18,559 reports

Source: FDA Adverse Event Reporting System (FAERS) via openFDA, data as of Oct 28, 2026

How this was calculated

Counted FAERS reports listing this active substance, then the reaction terms named most often. A report can name several reactions, and a term can describe the illness being treated and not an effect of the drug. Terms about product use or complaints rather than symptoms (for example off label use) were left out of the list.

Scope: Reports where FDA recorded cholecalciferol as a single-ingredient active substance (any brand), all years to 2026-10-28

FAERS reports are unverified and do not prove the drug caused the event. Reporting rises with use, publicity and lawsuits, so these counts cannot give rates or risks and cannot be compared between drugs.

Download the data (CSV)

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