https://www.selleckchem.com/products/pki587.html Main outcome measure Standardized domain scores according to the AGREE II instrument. Results 7741 hits were identified. After removing duplicates and screening, 24 guidelines were included. Highest guideline quality was for National Institute for Health and Care Excellence (NICE) guideline with an overall ranking score of 87.56% and least quality was for Japanese Circulation Society Joint Working Group with an overall score of 29.34%. Domain 4 of AGREE II (clarity of presentation) had the highest average quality score (70.95%), while the lowest average quality scores were for Domain 2 (Rigour of Development) (50.21%) and Domain 5 (Applicability) (45.05%). Conclusion Seven guidelines were judged to be of high quality (overall score of ≥ 70%). Future guidelines for tobacco dependence treatment should use rigorous methods of development and provide applicable recommendations. Despite their adverse effects, antipsychotics are frequently prescribed to manage behavioural and psychological symptoms of dementia (BPSD). At present, we do not have a good understanding of general practitioners' (GPs) current management of BPSD. To explore the knowledge, attitudes, and opinions of GPs regarding the prescribing of psychoactive drugs in managing BPSD. This was a descriptive cross-sectional study. A questionnaire was adapted from a previous study and piloted with three GPs and was posted to a census sample of all GPs working in counties Cork and Kerry, Ireland. We collected and analysed both quantitative and qualitative data. Of the 456 eligible GPs who received the questionnaire, 168 GPs returned completed questionnaires (response rate 36.8%). All respondents (100%, 168/168) believed that antipsychotics did not benefit all patients with BPSD. The majority of GPs (69%, 116/168) routinely recommended non-pharmacological interventions before medication to manage BPSD. Most GPs (60.7%, 102/168) welcomed more training and experience to