“…Among these prescriptions, those for antipsychotic drugs are the most frequent. Although some studies have shown that antipsychotics may be efficacious in treatments of challenging behaviours, the quality of these studies is generally poor (Deb et al., ; McQuire, Hassiotis, Harrison, & Pilling, ; Scheifes, Stolker, Egberts, Nijman, & Heerdink, ) and serious side effects frequently occur (Bhuvaneswar, Baldessarini, Harsh, & Aplert, ; De Kuijper, Mulder, Evenhuis, Scholte, Visser, & Hoekstra, ; Matson & Mahan, ). Some studies have shown that discontinuation of antipsychotics used for behavioural symptoms is possible without behavioural deterioration (Ahmed et al., ; De Kuijper, Evenhuis, Minderaa, & Hoekstra, ; Sheehan & Hassiotis, ).…”