Drilldown: Medicines

None (1) · Fluorouracil (5-FU) (1) · Riboflavin (vitamin B2) (1) · Tretinoin (all-trans retinoic acid, ATRA) (1)

Aduhelm (1) · Efudex (topical), Carac (topical), Fluoroplex (topical); generic IV (1) · Many generics/OTC (1) · Retin-A, Renova, Atralin, Avita, Tretin-X, Refissa, Altreno; Vesanoid (oral, APL) (1)

Anti-amyloid beta (Aβ) monoclonal antibody (1) · APL)]] (1) · [[:Category:Antimetabolites|Antimetabolite (pyrimidine analog)]] (1) · [[:Category:Antineoplastics|Antineoplastic (oral (1) · [[:Category:Antineoplastics|Antineoplastic]] (1) · [[:Category:B-vitamins|B-vitamin]] (1) · [[:Category:Retinoids|Retinoid]] (1) · [[:Category:Topical_retinoids|Topical retinoid]] (1) · [[:Category:Vitamins|Vitamin]] (1)

None (2) · Human IgG1 monoclonal antibody targeting aggregated forms of amyloid-β (Aβ), soluble oligomers and insoluble fibrils. Reduces Aβ plaque burden on PET imaging via Fc-mediated microglial clearance. Whether plaque reduction translates to clinical benefit is the core controversy. (1) · '"`UNIQ--vote-0000124C-QINU`"' The 400 mg/d dose for migraine prophylaxis is supported by randomized trials (Schoenen 1998) and remains a low-risk evidence-based supplement option. Characteristic bright-yellow urine fluorescence with high-dose oral supplementation. (1)

Alzheimer disease (FDA accelerated approval June 2021; '''withdrawn from market January 2024''' by manufacturer Biogen). At time of approval indicated for MCI or mild dementia stage of AD. (1) · '"`UNIQ--vote-00000BA0-QINU`"', '"`UNIQ--vote-00000BA1-QINU`"', '"`UNIQ--vote-00000BA2-QINU`"' (1) · '"`UNIQ--vote-000011BA-QINU`"', '"`UNIQ--vote-000011BB-QINU`"', '"`UNIQ--vote-000011BC-QINU`"', '"`UNIQ--vote-000011BD-QINU`"' (1) · '"`UNIQ--vote-0000124D-QINU`"', '"`UNIQ--vote-0000124E-QINU`"', '"`UNIQ--vote-0000124F-QINU`"' (1)

Migraine prophylaxis: 400 mg PO daily; deficiency replacement 5-30 mg/d (1) · Topical: 0.5-5% cream/solution to lesions BID × 2-4 weeks; systemic IV: regimen-specific in cancer chemotherapy (1) · Topical: pea-sized amount to dry face at bedtime, building from 2-3×/week to nightly as tolerated; oral APL: 45 mg/m²/d in divided doses (1) · Was 1 mg/kg IV q4w × 2, then 3 mg/kg × 2, then 6 mg/kg × 2, then 10 mg/kg q4w (1)

0.5% (Carac), 1% (Fluoroplex), 5% (Efudex) topical creams/solutions; 50 mg/mL IV (1) · 25, 50, 100, 250, 400 mg tablets; OTC (1) · Topical 0.01-0.1% creams, gels, micropsheres, lotions; oral 10 mg capsules (Vesanoid) (1) · Was: 170 mg/1.7 mL, 300 mg/3 mL vials for IV infusion (1)

No strict ceiling for water-soluble vitamin; UL not set (1) · Topical: nightly; oral APL: 45 mg/m²/d (1) · Topical: nightly; systemic: regimen-specific (1) · Withdrawn 2024 (1)

IV (1) · IV (rare) (1) · IV infusion every 4 weeks (1) · Oral (1) · oral (APL only) (1) · Topical (2)

Migraine effect after 1-3 months of daily use (1) · PET Aβ reduction over months (1) · Topical: inflammation, erythema, crusting at 2 weeks; complete response weeks to months after course (1) · Topical: irritation within days; acne improvement 6-12 weeks; oral APL response within days (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:

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~0.5-2 hours (oral)'"`UNIQ--ref-00000BA3-QINU`"' (1) · ~1-2 hours plasma (riboflavin itself); FAD/FMN tissue cofactors are continuous (1) · ~10-20 minutes systemically (rapid hepatic and erythrocyte dihydropyrimidine dehydrogenase clearance)'"`UNIQ--ref-000011BE-QINU`"' (1) · ~25 days (1)

100% (IV) (1) · Topical: minimal systemic absorption (oral systemic 5-FU not used due to poor and variable absorption)'"`UNIQ--ref-000011BF-QINU`"' (1) · Topical: minimal systemic absorption with normal skin; oral: variable, induced metabolism with repeated dosing'"`UNIQ--ref-00000BA4-QINU`"' (1) · ~50-60% (oral; food enhances) (1)

None (1) · Discontinued/withdrawn (1) · Safe at replacement and supplement doses.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> (1) · Topical: avoid; systemic: contraindicated in pregnancy.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> (1)

OTC in US (1) · Withdrawn from US market January 2024 (1) · [[USLegal:Prescription only|Rx-only]] in US (2)