This essay presents a detailed case study on managing a suicidal patient, focusing on a 46-year-old man, Mr. Alex, exhibiting suicidal ideation, self-harm, and other symptoms. The essay explores the application of the interpersonal theory of suicide and discusses the patient's history of borderline personality disorder, unemployment, and family history of suicide. It emphasizes the crucial role of nurses and a multidisciplinary team, including physicians, psychiatrists, counselors, and social workers, in assessment and intervention. The essay outlines the importance of a safe environment, education, and behavioral therapies like dialectical and cognitive behavioral therapy. It also considers the role of family involvement, and the use of NICE guidelines, and Peplau's theory of interpersonal relationships to achieve successful patient management and resolution, highlighting the importance of communication, empathy, and a holistic approach to care.