Teamwork and effective communication are vital in nursing, but have you ever worked with an individual who lacks team spirit, has an air of self-importance, dominates conversations, makes decisions without regard for others and even undermines colleagues’ confidence and performance? Such individuals may be displaying narcissistic personality traits and lack the ability to work cohesively. Find out what narcissistic behaviour is, how it can affect teams and morale, and how to deal with a nursing colleague who displays these traits.