“…Studies have shown that psychotropic polypharmacy among patients with psychiatric disorders varies from 10% to 93% 13,26,27,28,29,30 , in line with the psychotropic polypharmacy prevalence of 85.3% in our national sample. A trend of enhancing polypharmacy among psychiatric patients has been observed, with a decline in monotherapy strategy over the years from 47.8% in the 1970s, to 19.6% in the 1990s 31 .…”