The multimodal treatment of acute psychiatric illness is an integrated, systematic set of interventions stabilizing individuals with severe mental illness and helping them avoid the trauma of unnecessary psychiatric hospitalization. Focusing on patients suffering from schizophrenia, schizoaffective disorder, bipolar disorder, major depressive disorder, severe anxiety, and substance dependence, this volume provides individual practitioners and professional teams with the necessary tools for responding to crisis and delivering acute care, reinforcing lessons with real-world hospital case studies, exercises, and resources.