{"uid":"cap_b8WLOVbgVgBxmJmRK7sBS","slug":"magent-fomepizole-dosing-calculator-8fbdced8","name":"magent Fomepizole Dosing Calculator","description":"Adult IV fomepizole milligrams from weight (AACT 1999). Loading 15 mg/kg. Maintenance 10 mg/kg every 12 hours for four doses, then 15 mg/kg every 12 hours after 48 hours (auto-induction). Same milligrams during hemodialysis at a 4-hour interval. Not a prescription, indication, or brand order. magent does not assay ethylene glycol or methanol.","url":"https://api.magentlab.com/api/calc/fomepizole","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"headers":{"type":"object","additionalProperties":{"type":"string"}},"queryParams":{"type":"object","required":["weight_kg","hemodialysis"],"properties":{"weight_kg":{"type":"number","description":"Weight in kilograms (1-200)."},"hemodialysis":{"type":"boolean","description":"true during hemodialysis (same milligrams, interval 4 hours). false otherwise (interval 12 hours). Required."}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_bo6vFqsu_nl4EE1n3JIcN","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Calculates adult IV fomepizole doses (mg) for ethylene glycol or methanol poisoning based on patient weight and hemodialysis status, following AACT 1999 protocol.","exampleAgentPrompt":"Calculate the fomepizole dose for a 75 kg adult patient who is NOT on hemodialysis — I need the loading dose and the maintenance schedule.","exampleUseCases":[{"title":"ED dosing for methanol ingestion","prompt":"My patient weighs 68 kg and just came in with suspected methanol poisoning — what are the fomepizole loading and maintenance doses, and what's the dosing interval?"},{"title":"Fomepizole dosing during dialysis session","prompt":"I have an 85 kg patient on active hemodialysis for ethylene glycol toxicity — can you calculate the fomepizole dose and confirm the interval switches to every 4 hours during dialysis?"},{"title":"Pharmacy verification of antidote dose","prompt":"Can you verify the fomepizole milligram dose for a 55 kg adult not on hemodialysis, using the standard AACT 1999 protocol including the auto-induction adjustment after 48 hours?"}],"resultDescription":"Returns the calculated fomepizole doses in milligrams for the given patient weight: loading dose (15 mg/kg), maintenance doses (10 mg/kg every 12 hours for four doses, then 15 mg/kg every 12 hours after 48 hours due to auto-induction), and during hemodialysis the same milligram doses at 4-hour intervals.","failureModes":["Weight outside the 1–200 kg valid range returns an error or unexpected result","Missing required 'hemodialysis' boolean parameter causes a validation error","Incorrect data type for weight_kg (e.g. string instead of number) causes a schema validation error","Network timeout or service unavailability returns a non-200 HTTP status"],"whenToPreferThis":"Use this endpoint when you need a fast, protocol-accurate fomepizole dose calculation per AACT 1999 guidelines for adult patients, especially in emergency or critical care workflows where weight-based mg dosing and hemodialysis schedule adjustments must be computed quickly and reliably. Prefer this over manual calculation to reduce arithmetic errors in high-stakes clinical settings.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T13:05:50.514Z","isFirstParty":false}