This document discusses mania, including its definition, classification, etiology, signs and symptoms, diagnosis, and treatment. Mania is characterized by an abnormally elevated or irritable mood lasting at least one week. It can be classified as mixed states, hypomania, or associated with other disorders. Causes include genetic and biochemical factors. Signs include elevated mood, increased activity, rapid speech, and poor judgment. Treatment involves pharmacotherapy with mood stabilizers and antipsychotics, electroconvulsive therapy, and psychosocial interventions. Nursing care focuses on ensuring safety, addressing nutrition and social needs, and administering prescribed treatments.