Complex phobia, such as social phobia, is a fear of social or performance situations resulting from thoughts of negative judgement, embarrassment or humiliation.
Neurobiology of anxiety involves potential causes such as genetics, neurochemical and neurohormonal factors, environmental factors, drugs and medication, physical and mental health, and diet.
Anxiety disorders considerations during assessment include the number, severity and duration of symptoms, comorbid depressive or anxiety disorder, environmental stressors, substance misuse, degree of distress and functional impairment.