People with agoraphobia experience fear or anxiety triggered by actual or anticipated exposure to leaving the home, being in crowds, closed or open spaces, or public transport, with the fear primarily concerning situations in which escape might be difficult or help is not available.2 The fear and worry is out of proportion to any actual danger posed by these situations.2
References:
1.Penninx BW, Pine DS, Holmes EA, Reif A. Anxiety disorders. Lancet 2021; 397 (10277): 914–927.