How does the incidence of warfarin and superwarfarin toxicity vary by age?

Updated: Jan 19, 2018
  • Author: Kent R Olson, MD, FACEP; Chief Editor: David Vearrier, MD, MPH  more...
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Answer

Complications from incorrect dosing of warfarin occur most often in adults. Unintentional ingestions of superwarfarins are far more common in children, with approximately 89% of reported exposures occurring in children younger than age 6 years. Pediatric exposures usually involve a single small ingestion and result in no symptoms or alteration in the PT. [8] Adults who intentionally ingest superwarfarin agents are more likely to ingest a toxic dose and to experience the anticoagulant effects of these products.


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