Drilldown: Medicines

Lidocaine (hydrochloride) (1)

Xylocaine (injectable, oral solution, topical), Lidoderm (patch), ZTLido (patch), Glydo (jelly), EMLA (with prilocaine, topical) (1)

[[:Category:Anesthetics|Anesthetic]] (1) · [[:Category:Antiarrhythmics|Antiarrhythmic (Vaughan Williams Class IB)]] (1) · [[:Category:Local anesthetics|Local anesthetic (amide class)]] (1)

None (1)

'"`UNIQ--vote-0000001B-QINU`"', '"`UNIQ--vote-0000001C-QINU`"', '"`UNIQ--vote-0000001D-QINU`"', '"`UNIQ--vote-0000001E-QINU`"', '"`UNIQ--vote-0000001F-QINU`"' (1)

Infiltration: 1-2% solution; '''4.5 mg/kg ceiling without epinephrine, 7 mg/kg with epinephrine'''. IV antiarrhythmic: 1-1.5 mg/kg bolus then infusion 1-4 mg/minute. Lidoderm patch: up to 3 patches per 12 hours (1)

Injection 0.5-4% solutions (with and without epinephrine); topical cream 4-5%; transdermal patch 5% (Lidoderm), 1.8% (ZTLido); oral 2% viscous solution; jelly 2%; ophthalmic (1)

'''4.5 mg/kg (without epinephrine), 7 mg/kg (with epinephrine)''' for infiltration; serum level monitoring required for prolonged IV antiarrhythmic use (1)

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

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<1 minute (IV); 1-2 minutes (infiltration); 30+ minutes (patch on adult skin, faster on thinner pediatric skin) (1)

30-90 minutes (infiltration without epinephrine); 90-200 minutes (with epinephrine); 12 hours (patch) (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 hours (normal liver); markedly prolonged in overdose with glutathione depletion'"`UNIQ--ref-000006A5-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`"' · 12-15 hours (intermediate); '''no active metabolites''' (key clinical feature)'"`UNIQ--ref-00000023-QINU`"'

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~35% (oral, extensive first-pass; not used orally for systemic effect); ~100% (IV)'"`UNIQ--ref-00000021-QINU`"' (1)

Extensive use experience in obstetric anesthesia; broadly considered safe'"`UNIQ--ref-00000022-QINU`"' (1)

[[USLegal:Prescription only|Rx-only]] for most formulations; some low-concentration topical formulations are [[USLegal:Over-the-counter|OTC]] (4% cream) (1)