Pharmacoepidemiology and drug safety
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The association between patterns of use of benzodiazepines and chronic somatic morbidity was examined by applying the Chronic Disease Score (CDS). In the only pharmacy in a Dutch community, 6921 patients with data available covering a 10-year period (1983-1992) were included. In 1992, two-thirds of the patients had a CDS of 0, indicating no chronic morbidity. ⋯ Moreover, a history of benzodiazepine use was found to predict a sharp increase in chronic morbidity. We found a clear association between previous and actual use of benzodiazepines and chronic somatic disease. Benzodiazepine use may be induced by sleeping difficulties and anxiety problems caused by the chronic disease.