CASE REPORTS
JOURNAL ARTICLE
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Anticholinergic poisoning with adulterated intranasal cocaine.

In recent years, emergency physicians have encountered a growing number of patients who present with anticholinergic toxicity after using adulterated heroin. Anticholinergic poisoning caused by adulterated cocaine is far less common. This report describes the case of a 39-year-old man who arrived in the emergency department several hours after the nasal insufflation of cocaine. Classic symptoms of anticholinergic toxicity were evident on examination, including dry, flushed skin, agitation, tachycardia, mydriasis, and absence of bowel sounds. Treatment included intravenous fluids and lorazepam, with resolution of symptoms over several hours. Urine samples revealed the presence of cocaine metabolites as well as the anticholinergic drug atropine, and infrequently encountered adulterant of cocaine. Anticholinergic poisoning is reviewed, and the physical examination findings that distinguish this syndrome from the closely related sympathomimetic syndrome typical of cocaine are detailed. Current treatment recommendations for anticholinergic poisoning are summarized.

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