## Agoraphobia: Definition and Core Features **Key Point:** Agoraphobia is characterized by anxiety about being in situations where escape is difficult or help is unavailable if panic symptoms occur—not fear of the situation itself, but fear of the *consequences* of panic in that context. ### Diagnostic Hallmark of Agoraphobia The essential feature is **anticipatory anxiety about panic symptoms in inescapable or embarrassing situations**, including: - Public transportation (buses, trains, airplanes) - Crowded places (markets, malls, cinemas) - Bridges, tunnels, or open spaces - Being outside the home alone - Standing in line or being in a crowd **High-Yield:** Agoraphobia is NOT a fear of open spaces (common misconception). It is fear of *being trapped during a panic attack*. ### Relationship to Panic Disorder | Feature | Panic Disorder | Agoraphobia | |---------|---|---| | **Primary fear** | Unexpected panic attacks | Panic symptoms in inescapable situations | | **Onset** | Spontaneous panic attacks | Usually secondary to panic disorder | | **Avoidance pattern** | Situation-dependent | Pervasive; may lead to housebound state | | **Can exist alone?** | Yes | Rare; usually with panic disorder | **Mnemonic:** **ESCAPE** — Embarrassment, Situations where exit is difficult, Crowded places, Anxiety about panic, Public transport, Entrapment feared. ### Clinical Pearl Severe agoraphobia can result in complete housebound status (agoraphobia with panic disorder, severe), where the patient becomes unable to leave home without a trusted companion. This represents one of the most functionally impairing anxiety presentations.
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