Only six (12%) used recommended EU terms and a further 20 used a wide range of other verbal descriptions.
Numerical indication of risk was included in only four (8%) of leaflets and more than half (52%) presented long lists of adverse effects in continuous text, the study showed.
Authors wrote: ‘Most patients receive no information, whereas some are given verbal descriptors, both of which lead to overestimation of the risk.
‘Very few of the patient information leaflets assess used currently described best practice.’
Drug Safety (2008) 31: 305-312