Ergocalciferol
Calcidol, Drisdol, Ergocal, and generics
Vitamin D2
| A/C | 2 | No | No | No |
| Key |
- Caps:
- Ergocal: 2500 IU
- Drisdol and generics: 50,000 IU (1.25 mg)
- Tabs [OTC]: 400, 2000, 2400 IU
- Drops [OTC]: 8000 IU/mL (200 mCg/mL) (60 mL); contain propylene glycol
- Conversion: 1 mg = 40,000 IU vitamin D activity
There's more to see -- the rest of this topic is available only to subscribers.
Citation
Hughes, Helen K., and Lauren K. Kahl, editors. "Ergocalciferol." Harriet Lane Handbook Harriet Lane Handbook, 23rd ed., Elsevier, 2024. Harriet Lane, www.unboundmedicine.com/harrietlane/view/Harriet_Lane_Handbook/309370/2/Ergocalciferol.
Ergocalciferol. In: Hughes HKH, Kahl LKL, eds. Harriet Lane Handbook Harriet Lane Handbook. Elsevier; 2024. https://www.unboundmedicine.com/harrietlane/view/Harriet_Lane_Handbook/309370/2/Ergocalciferol. Accessed October 4, 2026.
Ergocalciferol. (2024). In Hughes, H. K., & Kahl, L. K. (Eds.), Harriet Lane Handbook Harriet Lane Handbook (23rd ed.). Elsevier. https://www.unboundmedicine.com/harrietlane/view/Harriet_Lane_Handbook/309370/2/Ergocalciferol
Ergocalciferol [Internet]. In: Hughes HKH, Kahl LKL, eds. Harriet Lane Handbook Harriet Lane Handbook. Elsevier; 2024. [cited 2026 October 04]. Available from: https://www.unboundmedicine.com/harrietlane/view/Harriet_Lane_Handbook/309370/2/Ergocalciferol.
* Article titles in AMA citation format should be in sentence-case
TY - ELEC
T1 - Ergocalciferol
ID - 309370
ED - Hughes,Helen K,
ED - Kahl,Lauren K,
BT - Harriet Lane Handbook
UR - https://www.unboundmedicine.com/harrietlane/view/Harriet_Lane_Handbook/309370/2/Ergocalciferol
PB - Elsevier
ET - 23
DB - Harriet Lane
DP - Unbound Medicine
ER -

Harriet Lane Handbook

