1 row is stored for this page
| Field | Field type | Value |
|---|
| generic | String | Ergocalciferol (vitamin D2) |
| brand | String | Drisdol, Calcidol; also many OTC preparations |
| structure | File | |
| classes | List of String, delimiter: , | [[:Category:Vitamin_D_analogs|Vitamin D analog]] • [[:Category:Fat-soluble_vitamins|Fat-soluble vitamin]] |
| mechanism | String | '"`UNIQ--vote-0000032A-QINU`"' D3 (cholecalciferol) is more potent at raising serum 25(OH)D per dose; D2 remains widely prescribed in the US Rx 50,000 IU formulation'"`UNIQ--ref-0000032B-QINU`"'. |
| uses | String | '"`UNIQ--vote-0000032C-QINU`"', '"`UNIQ--vote-0000032D-QINU`"', '"`UNIQ--vote-0000032E-QINU`"', '"`UNIQ--vote-0000032F-QINU`"' |
| starting_dose | String | Deficiency: 50,000 IU PO weekly for 8-12 weeks, then maintenance 800-2,000 IU/day; maintenance OTC dosing typically 800-2,000 IU/d |
| preparations | String | 50,000 IU capsules (Rx); 8,000 IU/mL oral solution (Rx); 400-5,000 IU OTC tablets and softgels |
| fda_max | String | Not strictly fixed; long-term Upper Limit ~4,000 IU/d in adults (Institute of Medicine) |
| pill_id | Text | |
| routes | List of String, delimiter: , | Oral |
| onset | String | Days to weeks to raise 25(OH)D; clinical effect on bone over months |
| duration | String | Long; fat-soluble, stored in adipose |
| halflife | String | ~24 hours (parent); ~15 days (25(OH)D); 25(OH)D stores persist for months'"`UNIQ--ref-00000330-QINU`"' |
| bioavailability | String | ~75% (oral; fat-soluble, absorption requires intact biliary/lipid digestion)'"`UNIQ--ref-00000331-QINU`"' |
| pregnancy | String | Safe at replacement doses; deficiency is itself a risk in pregnancy and lactation.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup> |
| legal | String | OTC (low-dose) and [[USLegal:Prescription only|Rx-only]] (50,000 IU and concentrated solutions) in US |
