Articles: emergency-services.
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The incidence and causes of drug-related hospital admissions and visits to an emergency department were evaluated. A retrospective chart review was conducted to identify drug-related visits and admissions for all patients who visited the emergency department of a 517-bed tertiary-care institution during a four-month period. Drug-related illnesses were classified as adverse drug reaction (ADR), overdose or abuse, noncompliance, drug interaction, or toxicity. ⋯ The average length of stay for patients who were admitted was 5.8 days, and the average cost of admission was $8888. Drug-related illnesses accounted for 2.9% of hospital admissions and visits for patients in the emergency department. The most commonly identified drug-related illnesses were overdose or abuse, noncompliance, and ADRs; the drug classes most commonly implicated were drugs of abuse, anticonvulsants, and antibiotics.