What is phase 4 of acetaminophen toxicity poisoning?

Updated: Jan 17, 2020
  • Author: Susan E Farrell, MD; Chief Editor: Michael A Miller, MD  more...
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Phase 4 is the recovery phase (4 d to 3 wk after ingestion). Patients who survive critical illness in phase 3 have complete resolution of symptoms and resolution of organ failure. Clinical recovery may take up to 21 days; however, complete hepatic histologic recovery requires several months.

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