We report the case of a 4-month-old baby boy who presented hypothermia (rectal temperature 36°C) after acetaminophen intake for post-vaccination fever. A recurrence of the hypothermia was observed after acetaminophen rechallenge for fever. We reviewed 14 other pediatric cases of hypothermia secondary to therapeutic doses of acetaminophen. Hypothermia after a therapeutic dose is a very rare side effect of acetaminophen. Several hypotheses have been made but the exact mechanism remains unknown.
Keywords: Acetaminophen; Hypothermia; Pediatrics.
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