Dependent personality disorder (DPD) belongs to DSM-5 Cluster C personality disorders, characterized by an enduring pattern of clinging behaviors and submissiveness driven by an excessive need to be cared for. Diagnostic criteria require difficulty making everyday decisions without excessive advice and reassurance, need for others to assume responsibility for major life areas, difficulty expressing disagreement due to fear of loss of support, problems initiating projects independently, excessive efforts to obtain nurturance and support to the point of doing unpleasant things, feelings of helplessness when alone, urgent seeking of new relationships when one ends, and unrealistic preoccupation with fears of being left to care for oneself.
Differential diagnosis includes avoidant personality disorder (where dependent traits emerge but the predominant feature is fear of social rejection), borderline personality disorder (where dependence coexists with intense anger, identity disturbance, and self-harm), histrionic personality disorder (where dependence is manifested through dramatic attention-seeking), and adjustment disorders following major life changes. The disorder shows substantial overlap with anxiety disorders and major depression, with depression frequently emerging when relationships threaten to end.
Etiopathogenesis involves complex interactions between innate temperament (high harm avoidance, low novelty seeking), early developmental factors including overprotective or authoritarian parenting that discourages autonomous functioning, chronic illness or disability in childhood requiring sustained dependence, and cultural factors emphasizing interdependence. Treatment focuses on individual psychotherapy with goals of fostering autonomy, building self-confidence, and developing healthy interdependence rather than dependence. Schema therapy addresses underlying schemas of dependence/incompetence and abandonment, while cognitive-behavioral therapy incorporates assertiveness training, decision-making skills, and graduated independence-building exercises.