REVIEW OBJECTIVE The objective of this review is to critically appraise, synthesize and present the available evidence on health professionals’ beliefs, attitudes and experiences of medication error reporting. Review questions More specifically, this review seeks to answer the following questions. In relation to health professionals (i.e. doctors, nurses and pharmacists): 1.What are their beliefs and attitudes towards medication error reporting? 2. What are their experiences of medication error reporting? (E.g. nature of feedback obtained, any subsequent changes in their practice, ease of use of the reporting system, any improvements required to optimize medication error reporting.) 3. What are the reasons given or factors which are associated with under-reporting of medication errors? (E.g. lack of awareness or understanding of the reporting system, fear of possible consequences of reporting, and forgetting to report.) INCLUSION CRITERIA Types of participants This review will only consider studies that include doctors, nurses and pharmacists, as these are the health professionals involved in the patient medication journey and specifically in the processes of prescribing of medicines (doctors, nurses and pharmacists all have prescribing rights in certain countries, e.g. the United Kingdom), administering (all are involved) and dispensing (all may be involved to some extent in different countries). Phenomena of interest While there is no intervention (as would be the case in reviews of effectiveness or cost-effectiveness), the qualitative component of this review will consider studies that investigate the phenomenon of medication error reporting from a number of different perspectives (e.g. doctors, nurses, pharmacists). TRUNCATED AT 250 WORDS