Drilldown: Medicines

Fluorouracil (5-FU) (1) · Potassium chloride (1)

Efudex (topical), Carac (topical), Fluoroplex (topical); generic IV (1) · K-Dur, Klor-Con, Slow-K, Micro-K, K-Lyte/Cl (1)

[[:Category:Antimetabolites|Antimetabolite (pyrimidine analog)]] (1) · [[:Category:Antineoplastics|Antineoplastic]] (1) · [[:Category:Electrolyte_replacements|Electrolyte replacement]] (1) · [[:Category:Potassium_supplements|Potassium supplement]] (1)

None (2)

'"`UNIQ--vote-000002EE-QINU`"', '"`UNIQ--vote-000002EF-QINU`"' (1) · '"`UNIQ--vote-000011BA-QINU`"', '"`UNIQ--vote-000011BB-QINU`"', '"`UNIQ--vote-000011BC-QINU`"', '"`UNIQ--vote-000011BD-QINU`"' (1)

10-20 mEq PO daily for prevention; treat established hypokalemia per measured deficit, typically 40-100 mEq/d in divided doses; IV 10 mEq/h peripheral, 20 mEq/h central with telemetry (1) · Topical: 0.5-5% cream/solution to lesions BID × 2-4 weeks; systemic IV: regimen-specific in cancer chemotherapy (1)

0.5% (Carac), 1% (Fluoroplex), 5% (Efudex) topical creams/solutions; 50 mg/mL IV (1) · 8, 10, 20, 25 mEq tablets/capsules (most ER); effervescent and oral solution; IV concentrate (must be diluted) (1)

IV peripheral 10 mEq/h (40 mEq/L); IV central 20 mEq/h with cardiac monitoring; PO single doses generally ≤40 mEq (1) · Topical: nightly; systemic: regimen-specific (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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Hours (PO); IV faster but rate-limited (1) · Topical: inflammation, erythema, crusting at 2 weeks; complete response weeks to months after course (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

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Not meaningfully described for an electrolyte; distribution between intra- and extracellular compartments is the relevant kinetic (1) · ~10-20 minutes systemically (rapid hepatic and erythrocyte dihydropyrimidine dehydrogenase clearance)'"`UNIQ--ref-000011BE-QINU`"' (1)

60-80% (oral) (1) · Topical: minimal systemic absorption (oral systemic 5-FU not used due to poor and variable absorption)'"`UNIQ--ref-000011BF-QINU`"' (1)

Generally safe at replacement doses; treat the underlying cause of hypokalemia.<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)

[[USLegal:Prescription only|Rx-only]] (higher concentrations and IV) and OTC (low-dose supplements) in US (1) · [[USLegal:Prescription only|Rx-only]] in US (1)