Dr. Dean Mitchell speaks with Canadian toxicologist Dr. David Juurlink about how medical toxicology works in real clinical settings, from emergency departments and ICUs to poison center consultations involving overdoses, drug reactions, and complex diagnostic puzzles. The conversation explains how toxicologists evaluate poisoned patients, what physicians look for during physical exams, and how certain patterns known as toxidromes can point toward specific types of poisoning.

A major focus of the discussion is the danger hidden within common medications. Acetaminophen poisoning remains one of the most frequent toxicology consults worldwide, and excessive doses can lead to serious liver injury. The conversation also examines caffeine toxicity, risks from recreational drug exposures, and the complications that arise when patients ingest multiple substances at once.

Dr. Juurlink also revisits two well known medical cases. The Libby Zion case helped reshape physician work hour policies in the United States after a fatal drug interaction occurred during hospital treatment. He also discusses an infant death case he has spent years investigating, where early research suggested morphine exposure through breast milk. Later analysis of toxicology data raised serious questions about that conclusion and its impact on postpartum care.

The episode concludes with practical safety advice for families, including why medications should be stored securely, the poisoning risks posed by common household drugs, and how poison centers help physicians and the public manage dangerous exposures.

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