Drilldown: Medicines

Cholecalciferol (vitamin D3) (1) · Ergocalciferol (vitamin D2) (1) · LSD (1)

Delysid (historical, Sandoz, withdrawn 1965) (1) · Drisdol, Calcidol; also many OTC preparations (1) · Many OTC; Rx 50,000 IU also available (1)

Research material · Classic Psychedelic · Stimulant · Opioid · Sedative-Hypnotic · Phenethylamine · Tryptamine · Benzodiazepine · Botanical · [[:Category:Antihypertensives|Antihypertensive]] · Dissociative · Anticonvulsant · Antidepressant · Plant Medicine · Analgesic · Antiparkinsonian · Antipsychotic · Empathogen · Neuroleptic · Cathinone

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5-HT2A partial agonist (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-0000042C-QINU`"' D3 is more potent than D2 at raising and sustaining serum 25(OH)D per dose, and is the more common OTC formulation; D2 remains the dominant Rx 50,000 IU formulation in the US for historical reasons. (1)

None (1) · '"`UNIQ--vote-0000032C-QINU`"', '"`UNIQ--vote-0000032D-QINU`"', '"`UNIQ--vote-0000032E-QINU`"', '"`UNIQ--vote-0000032F-QINU`"' (1) · '"`UNIQ--vote-0000042D-QINU`"', '"`UNIQ--vote-0000042E-QINU`"', '"`UNIQ--vote-0000042F-QINU`"', '"`UNIQ--vote-00000430-QINU`"' (1)

None (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) · Maintenance 800-2,000 IU PO daily; deficiency replacement 50,000 IU PO weekly for 8-12 weeks then maintenance, or equivalent daily dosing 5,000-10,000 IU/d (1)

None (1) · 50,000 IU capsules (Rx); 8,000 IU/mL oral solution (Rx); 400-5,000 IU OTC tablets and softgels (1) · OTC 400, 1,000, 2,000, 5,000 IU softgels and tablets; Rx 50,000 IU capsules; liquid drops 400-2,000 IU/drop (1)

None (1) · No strict; Institute of Medicine UL 4,000 IU/d in adults for chronic use (1) · Not strictly fixed; long-term Upper Limit ~4,000 IU/d in adults (Institute of Medicine) (1)

None · Oral · IV · topical · IM · intranasal · rectal · Subcutaneous · topical ophthalmic · ophthalmic · intramuscular · intravenous · transdermal · vaginal · Subcutaneous (abdomen · sublingual · thigh · Inhaled · SC · intra-articular

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30–60 minutes (1) · Days to weeks to raise 25(OH)D; clinical effect on bone over months (1) · Weeks to raise 25(OH)D into reference range (1)

8–12 hours (1) · Long; fat-soluble storage in adipose (1) · Long; fat-soluble, stored in adipose (1)

3–5 hours (1) · ~24 hours (parent); ~15 days (25(OH)D); 25(OH)D stores persist for months'"`UNIQ--ref-00000330-QINU`"' (1) · ~24 hours (parent); ~15 days (25(OH)D); tissue stores months (1)

70–90% (oral) (1) · ~75% (oral; absorption improved with fat-containing meal) (1) · ~75% (oral; fat-soluble, absorption requires intact biliary/lipid digestion)'"`UNIQ--ref-00000331-QINU`"' (1)

Not established (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> (2)

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