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Prescription medicine

Ergocalciferol Brand names: Vitamin; first approved as Drisdol

Ergocalciferol (Vitamin) is a prescription medicine with an FDA approval on record since 1941. FDA's NDC Directory lists it from 21 generic labelers, and pharmacies paid $0.114 per unit (Vitamin d2 1.25 mg(50,000 unit)) in the October 7, 2026 NADAC survey.

  • Generic listed

Check it at the source: the ergocalciferol FDA label on DailyMed (effective September 4, 2026, Torrent Pharmaceuticals Limited); the NDA 3444 record on Drugs@FDA; every ergocalciferol label on DailyMed.

Highlights of the record

FDA label of September 4, 2026; NDC Directory, Drugs@FDA and Orange Book, October 8, 2026; NADAC October 7, 2026

Used for

From the label: indications and usage

Ergocalciferol is indicated for use in the treatment of hypoparathyroidism, refractory rickets, also known as vitamin D resistant rickets, and familial hypophosphatemia.

Forms and strengths

  • 1.25 mg

Capsule; liquid-filled capsule.

On the market

Earliest approval on file
January 11, 1941 Drisdol, Esjay Pharma; Drugs@FDA’s file, where older or withdrawn approvals can be missing
Generic approvals
10 first March 26, 1973; 4 with a marketed status in Drugs@FDA
Labelers listed (NDC)
22 of which 21 under generic applications, 1 under brand applications, repackagers included

Supply and safety

Pharmacy cost (NADAC)
$0.114 per unit Vitamin d2 1.25 mg(50,000 unit)
Shortage (FDA)
No current entry
Recalls by its makers (FDA)
No recall recorded
FAERS reports
382,573 through July 30, 2026

What is ergocalciferol used for?

From the label: indications and usage

Ergocalciferol is indicated for use in the treatment of hypoparathyroidism, refractory rickets, also known as vitamin D resistant rickets, and familial hypophosphatemia.

FDA pharmacologic class: Provitamin D2 Compound.

Source: FDA drug label (ERGOCALCIFEROL), Torrent Pharmaceuticals Limited, effective September 4, 2026 (SPL set 4ae38744-020d-4c37-a6f1-88f55c2f1047), via openFDA; the full label on DailyMed

Is there a generic for ergocalciferol (Vitamin)?

The FDA approved the first generic ergocalciferol on March 26, 1973. 10 generic applications are approved; 4 of them carry a current (not discontinued) marketing status in Drugs@FDA; that status is not evidence that the generic is on sale.

FDA's NDC Directory lists ergocalciferol from 21 labelers under a generic (ANDA) application and from 1 brand labeler. A listing means the company has registered the product for sale; it does not show that every pharmacy stocks it.

  • 1941 earliest approval on file
  • 1973 first generic approved

Source: Drugs@FDA, FDA NDC Directory and the Orange Book (openFDA bulk files, October 8, 2026)

What do pharmacies pay for ergocalciferol (Vitamin)?

In CMS's NADAC survey of October 7, 2026, pharmacies paid $0.114 per unit (Vitamin d2 1.25 mg(50,000 unit)), about the same as a year earlier. The chart's scale runs from the lowest to the highest price shown, not from zero. NADAC is what retail pharmacies paid their wholesalers, per unit, in CMS's monthly survey; what a patient pays depends on insurance and the pharmacy.

  • Vitamin d2 1.25 mg(50,000 unit) (generic)
$0.133
$0.0904
January 2024October 2026
NADAC per unit, October 7, 2026
Strength and formBrand or genericPharmacy cost30 tablets, or one pen or vial12-month change
Ergocalciferol 1.25 mg capsuleGeneric$0.114 per capsule$3.41n/a
Vitamin d2 1.25 mg(50,000 unit)Generic$0.114 per unitn/a-0.5%

Source: CMS National Average Drug Acquisition Cost (NADAC) survey, October 7, 2026: what retail pharmacies paid per unit; not a counter price

What does the ergocalciferol label say about other medicines?

The ergocalciferol label names no other medicine on this site. The labels of 1 other medicine name ergocalciferol. The sentences are the labels' own; a label lists what its studies and reports found, not every interaction.

Check ergocalciferol against other medicines

Source: FDA drug label (ERGOCALCIFEROL), Torrent Pharmaceuticals Limited, effective September 4, 2026 (SPL set 4ae38744-020d-4c37-a6f1-88f55c2f1047), via openFDA; the full label on DailyMed

What do FAERS reports show for ergocalciferol?

The FDA Adverse Event Reporting System holds 382,573 reports that list ergocalciferol among the medicines taken, through July 30, 2026, each a report of something that happened, not proof the medicine caused it; 22,811 are coded as a death and 102,586 as a hospital stay. Counts follow how widely a medicine is used and watched, and they are not a measure of how risky it is.

Reports received each year

The most reported reactions

  • Fatigue37,944
  • Nausea (named in the label)28,193
  • Diarrhoea27,098
  • Headache25,984
  • Drug Ineffective (a use or a product term, not a reaction)25,677
  • Pain24,231
  • Off Label Use (a use or a product term, not a reaction)23,141
  • Dyspnoea20,509

Side effects: the label's list and every FAERS reaction

Source: FDA Adverse Event Reporting System (FAERS) via openFDA, reports through July 30, 2026

What next?

Ergocalciferol side effects
the label's list beside FAERS reports
Check an interaction
what two or more labels say about each other