What is the treatment for acetaminophen toxicity/poisoning due to chronic supratherapeutic use?

Updated: Jan 17, 2020
  • Author: Susan E Farrell, MD; Chief Editor: Michael A Miller, MD  more...
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If a patient presents after multiple ingestions or chronic ingestion of supratherapeutic doses of acetaminophen over hours or days, evaluate for the presence of a persistent serum APAP concentration and laboratory indicators of hepatotoxicity. Begin NAC therapy if the patient has elevated aspartate aminotransferase (AST) and alanine aminotransferase (ALT) levels or a measurable serum APAP concentration. Consult a regional poison control center for guidance on a treatment regimen.

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