Drilldown: Medicines

Diclofenac (sodium, potassium, epolamine; multiple salt forms) (1)

Voltaren (IR oral, topical gel), Cataflam (potassium IR), Cambia (oral powder, migraine), Zorvolex (low-dose), Pennsaid (topical 2% solution), Flector (transdermal patch), Solaraze (3% gel for actinic keratosis) (1)

[[:Category:Analgesics|Analgesic]] (1) · [[:Category:NSAIDs|Non-steroidal anti-inflammatory (NSAID)]] (1)

None (1)

'"`UNIQ--vote-00000021-QINU`"', '"`UNIQ--vote-00000022-QINU`"', '"`UNIQ--vote-00000023-QINU`"', '"`UNIQ--vote-00000024-QINU`"', '"`UNIQ--vote-00000025-QINU`"', '"`UNIQ--vote-00000026-QINU`"', '"`UNIQ--vote-00000027-QINU`"', '"`UNIQ--vote-00000028-QINU`"' (1)

IR oral 50 mg PO TID or 75 mg BID. Voltaren 1% gel: apply 2-4 g to affected area QID. Pennsaid 2%: 40 drops to knee BID. Flector patch: every 12 hours (1)

IR tablets 25, 50 mg; ER tablets 100 mg; Cataflam IR 50 mg; Zorvolex 18, 35 mg; Voltaren gel 1%; Pennsaid 2% topical solution; Flector transdermal patch; Solaraze 3% gel; Cambia oral powder 50 mg (1)

150 mg/day (oral); use lowest effective dose for shortest duration per FDA NSAID class guidance (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 (oral); slower for topical (1)

6-8 hours (IR oral); 12-24 hours (ER) (1)

None · ~12 hours · ~27 days · ~5 h (caffeine) · '''Autoinduction''': 25-65 hours initially, falling to 12-17 hours after 2-3 weeks of dosing as carbamazepine induces its own CYP3A4 metabolism. Major clinical implication: doses require re-titration after the autoinduction period'"`UNIQ--ref-0000001D-QINU`"' · 0.5-1.5 hours (plasma); pharmacodynamic effect persists 24+ hours'"`UNIQ--ref-000000DE-QINU`"' · 1-1.3 hours'"`UNIQ--ref-000001A1-QINU`"' · 1-1.5 hours'"`UNIQ--ref-00000DE3-QINU`"' · 1-2 hours (parent compound)'"`UNIQ--ref-00000029-QINU`"' · 1-2 hours (parent); 18-30 hours for active metabolite oxypurinol'"`UNIQ--ref-0000030F-QINU`"' · 1-2 hours'"`UNIQ--ref-00000017-QINU`"' · 1-3 days acute, 4-6 days chronic; 4-16 days for norfluoxetine'"`UNIQ--ref-0000004C-QINU`"' · 1-3 hours (normal liver); markedly prolonged in overdose with glutathione depletion'"`UNIQ--ref-00000022-QINU`"' · 1-3 minutes (very short)'"`UNIQ--ref-00000C0F-QINU`"' · 1.4 hours (parent); 13-24 hours for active metabolite canrenone'"`UNIQ--ref-00000354-QINU`"' · 1.5-2 hours (longer in renal failure)'"`UNIQ--ref-00000222-QINU`"' · 1.5-2 hours'"`UNIQ--ref-00000020-QINU`"' · 10-11 hours (benazeprilat, the active metabolite)'"`UNIQ--ref-00000A22-QINU`"' · 11-13 h (immediate-release); 11-16 h (extended-release) · 11-15 hours'"`UNIQ--ref-00000842-QINU`"'

Other values:

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~50-60% (oral; substantial first-pass metabolism)'"`UNIQ--ref-0000002A-QINU`"' (1)

Avoid from 20 weeks gestation onward per FDA's 2020 expanded NSAID warning (fetal renal dysfunction, oligohydramnios); contraindicated from 30 weeks (risk of premature ductus arteriosus closure)'"`UNIQ--ref-0000002B-QINU`"' (1)

[[USLegal:Prescription only|Rx-only]] for oral and most topical formulations in US; Voltaren Arthritis Pain 1% gel switched to [[USLegal:Over-the-counter|OTC]] in 2020 (1)