Phobias & Dissociative Disorders
A client suddenly cannot recall their own name after a traumatic event, while another refuses to leave the house over an elevator ride. Both involve extreme psychological distress — but the underlying mechanism and nursing approach diverge sharply.
Core Concept
Phobias are intense, irrational fears of a specific object or situation (specific phobia), social scrutiny and fear of humiliation (social anxiety disorder), or open/crowded spaces where escape feels difficult (agoraphobia). The fear is disproportionate to actual danger, and the client recognizes this yet cannot control avoidance behavior. Key nursing interventions include systematic desensitization — gradual, controlled exposure paired with relaxation techniques — and cognitive behavioral therapy reinforcement. Flooding (immediate full-intensity exposure) is a therapist-directed technique, but systematic desensitization is the NCLEX-preferred nurse-supported intervention. SSRIs may be used adjunctively for social anxiety and phobias; benzodiazepines only short-term for acute phobic anxiety. Dissociative disorders involve disruption in consciousness, memory, identity, or perception as a defense against overwhelming trauma. Dissociative identity disorder (DID) presents with two or more distinct personality states and memory gaps between them — the nurse must assess each identity state for suicidal ideation and self-harm risk, as risk may vary between alters. Dissociative amnesia involves inability to recall important autobiographical information, usually surrounding trauma, far beyond ordinary forgetting; the client loses personal identity memory (may not know their own name) while retaining procedural memory, general knowledge, and cognitive function — distinct from disorientation on a standard A&Ox4 assessment. Depersonalization-derealization disorder features persistent feelings of detachment from one's body or surroundings. There is no established pharmacological treatment for dissociative disorders. Nursing priorities center on safety, establishing trust, maintaining a calm environment, reorientation, and avoiding pressuring the client to recall traumatic memories prematurely. Document identity shifts or amnesia episodes objectively without judgment.
Watch Out For
Don't confuse agoraphobia with specific phobia — agoraphobia involves fear of situations where escape may be difficult (crowds, open spaces, public transport), not one discrete trigger. Students mix up dissociative amnesia with delirium; dissociative amnesia features intact consciousness with no organic etiology, and the client loses autobiographical identity memory while retaining cognitive function — delirium features fluctuating consciousness with an identifiable physiological cause (infection, medication, metabolic). Systematic desensitization (gradual exposure with relaxation) is not flooding (immediate full-intensity exposure) — NCLEX tests this distinction. Don't confuse DID with schizophrenia — DID involves distinct identity states with memory gaps between them; schizophrenia involves hallucinations, delusions, and disorganized thinking with a single continuous identity.
Clinical Pearl
Dissociation is the mind's emergency exit from unbearable trauma. Never block that exit by demanding recall — build safety first, memory follows.
Test Your Knowledge
3 quick questions — see how well you understood Phobias & Dissociative Disorders