Chronic anxiety is one of the most consistent and least-discussed long-term effects of living with a narcissist — not because something was already wrong with you, but because your nervous system adapted rationally to an environment that was genuinely unpredictable, threatening, and impossible to fully manage.

Narcissistic Abuse Syndrome is not a formal diagnosis in the DSM-5, but the psychological harm it describes — chronic self-doubt, hypervigilance, identity erosion, and trauma symptoms resulting from sustained narcissistic abuse — is clinically real, well-documented, and most accurately captured under the diagnosis of Complex PTSD.