Prescribing medications for patients suffering from mental illness is a challenging but essential component of clinical practice. Drug choice, dosage, and other considerations can have a critical impact on patient outcomes and long-term care. For years, The Maudsley Prescribing Guidelines have served as the indispensable evidence-based handbook for prescribing psychotropic medications. Now fully updated to reflect the latest evidence and practice, it will continue to serve a new generation of trainees and clinicians. Prev. ed.: 2021.