The BPSQ is an effective tool to complement clinical interview in the assessment and monitoring of BPSD, and provides useful additional information with respect to carer distress, which currently may be under recognised. A follow-up study is required to complete the work of validating the BPSQ.

Antipsychotic medications have made a significant contribution to the care of the mentally ill people over the past 50 years, with good evidence that both typical and atypical agents are effective in the treatment of schizophrenia and related conditions. In addition they are widely used to good effect in other disorders including psychotic depression, dementia and delirium. Both typical and atypical agents may cause severe side-effects and, in the elderly in particular, there is an increased propensity for drug interactions. If used with care, antipsychotics are usually well tolerated, especially the atypical drugs. Although antipsychotics are effective at reducing psychotic symptoms their limitations should be recognised. They do not 'cure' the underlying illness, and the management of psychotic and behavioural symptoms must take into consideration treatment of physical illness as well as psychosocial interventions. In addition, the antipsychotic effect may take one to two weeks to be evident so doses should not be increased too rapidly. Often small doses are effective in the elderly if they are given sufficient time to work. As our understanding of the mechanisms of psychosis improves it is hoped that new drugs will be developed with novel mechanisms of action with improved efficacy and reduced side-effects. There are several drugs in development, some sharing similarities to currently available agents whilst others have novel mechanisms of actions involving glutamate and nicotinic receptors. Pharmacogenetics is also likely to be increasingly important over the next few years. As the genetic basis of many psychiatric disorders becomes more clearly established it is likely that drugs specifically designed for particular sub-groups of receptors will be developed. Finally, although the pharmacological treatment of psychotic disorders in younger people has been given considerable attention, there is a paucity of good quality research on antipsychotic drug use in older people. There is a need to redress this balance to ensure that the prescribing of antipsychotics in older people is evidence based.

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All professionals involved in someone’s care should be equipped to support individuals, and the people close to them, to understand how their health is likely to change, consider the burdens and likely outcomes of treatment options and make realistic, informed recommendations to guide future care. This can be particularly challenging in forensic mental health, when it covers cardiopulmonary resuscitation alongside recommendations about acute hospital admission and medical escalation within and outside of hospital settings. Some clinicians question whether or not the harms of raising the spectre of invasive ventilation and potential mortality risks unnecessary anxiety and psychological harm amongst detained patients. Instead, we argue that timely advance care and treatment escalation planning with each patient, informed by psychiatric clinicians, is long overdue.