Drilldown: Medicines

None · Codeine · 1,4-Butanediol · 1B-LSD · 1cP-LSD · 1P-LSD · 1V-LSD · 2-AI · 2-FA · 2-FDCK · 2-FMA · 25B-NBOH · 25B-NBOMe · 25C-NBOH · 25C-NBOMe · 25I-NBOH · 25I-NBOMe · 25N-NBOMe · 2C-B · 2C-B-FLY

Other values:

Search

Drisdol, Calcidol; also many OTC preparations (1)

[[:Category:Fat-soluble_vitamins|Fat-soluble vitamin]] (1) · [[:Category:Vitamin_D_analogs|Vitamin D analog]] (1)

'"`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`"'. (1)

'"`UNIQ--vote-0000032C-QINU`"', '"`UNIQ--vote-0000032D-QINU`"', '"`UNIQ--vote-0000032E-QINU`"', '"`UNIQ--vote-0000032F-QINU`"' (1)

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 (1)

50,000 IU capsules (Rx); 8,000 IU/mL oral solution (Rx); 400-5,000 IU OTC tablets and softgels (1)

Not strictly fixed; long-term Upper Limit ~4,000 IU/d in adults (Institute of Medicine) (1)

Oral (1)

Days to weeks to raise 25(OH)D; clinical effect on bone over months (1)

None · 24 hours · 4-6 hours · 12 hours · 6-8 hours · Daily dosing · 8-12 hours · 12-24 hours · Hours · Hours per application · 24 hours (HS dosing) · 24 hours (once-daily dosing) · 24 h · N/A · N/A (replacement) · Variable · ~7-8 hours · 3-5 hours · 4-6 hours (IR); 24 hours (ER) · 6-12 hours

Other values:

Search

~24 hours (parent); ~15 days (25(OH)D); 25(OH)D stores persist for months'"`UNIQ--ref-00000330-QINU`"' (1)

~75% (oral; fat-soluble, absorption requires intact biliary/lipid digestion)'"`UNIQ--ref-00000331-QINU`"' (1)

Safe at replacement doses; deficiency is itself a risk in pregnancy and lactation.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> (1)

OTC (low-dose) and [[USLegal:Prescription only|Rx-only]] (50,000 IU and concentrated solutions) in US (1)