What are the initial symptoms of acetaminophen toxicity/poisoning?

Updated: Jan 17, 2020
  • Author: Susan E Farrell, MD; Chief Editor: Michael A Miller, MD  more...
  • Print
Answer

Most patients who overdose on acetaminophen will initially be asymptomatic, as clinical symptoms of end-organ toxicity do not manifest until 24-48 hours after an acute ingestion. Therefore, to identify a patient who may be at risk of hepatoxicity, the clinician should determine the time(s) of ingestion, the quantity, and the formulation of acetaminophen ingested.


Did this answer your question?
Additional feedback? (Optional)
Thank you for your feedback!