Bar code-assisted medication administration (BCMA) is increasingly being adopted as an additional tool in the prevention of medication administration errors. This literature review summarises the evidence behind the effects of BCMA technology on medication safety. Although most studies show an error-reducing effect of BCMA technology, compliance with the new technology after its implementation and the long-term effects on error reduction are often not assessed. Most importantly, the effect of medication error reduction on patient outcomes is limited.

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