Death due to diphenhydramine toxicity: A 9-year review from the Cook County Medical Examiner's Office and a review of the literature.

Diphenhydramine (DPH) is a widely available first-generation antihistamine that, in supratherapeutic doses, can cause severe toxicity and even death. While commonly reported in cases of combined drug toxicity, fatalities attributed to DPH toxicity al…

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