A cross-sectional study found benzodiazepine use associated with polysubstance-use disorder in bipolar patients. It could not determine which came first.
The study compared 556 patients with bipolar disorder across no substance-use disorder, one such disorder, and polysubstance-use disorder. The latter group differed in age, symptoms, hospitalization history, and medication burden.
Benzodiazepine use remained associated with polysubstance status in the adjusted analysis, alongside several demographic and clinical variables.
More complex symptoms may prompt more medication, and substance-use patterns may influence symptoms and treatment. A cross-sectional analysis cannot separate all those pathways. Several potentially relevant clinical variables were missing or unavailable.
Prescribed benzodiazepine use also is not automatically benzodiazepine misuse. The paper supports a careful combined psychiatric and exposure history, but cannot establish that prescribing caused polysubstance disorder or that the association identifies an inappropriate prescription in one patient. The actual indication, source, dose pattern, and timeline must be distinguished.
Original analysis of the supplied journal article, identified as PMC9242092.