This document provides an overview of assessing and nursing patients with mood disorders. It discusses several specific mood disorders including major depression, bipolar disorder, dysthymia, and cyclothymia. Treatment strategies covered include pharmacotherapy with antidepressants and mood stabilizers, psychotherapy, electroconvulsive therapy, and managing self-harm and suicide risk. Nursing approaches focus on containment, awareness, resilience, engagement and the use of tools like cognitive behavioral therapy and dialectical behavior therapy.