Cluster C personality disorders are the "anxious or fearful" disorders. They include:

• Avoidant personality disorder
• dependant personality disorder
• Obsessive-compulsive personality disorder

Avoidant personality disorder

• Involves strong feelings of inadequacy and fear of social situations where they may be criticised
• Patients are extremely sensitive to criticism
• Often self impose isolation while craving acceptance and social contact

Dependant personality disorder

• Characterised by an intense psychological need to be cared for by others
• Lack initiative and need others to make decisions on their behalf
• Urgently search for new relationships as soon as one ends to provide care and support

Obsessive-compulsive personality disorder

• Preoccupied by rules, details and organization to the detriment of other aspects of their life
• Perfectionist, often eliminating leisure activities to ensure work is completed
• In contrast to Obsessive-compulsive disorder, these activities are seen as pleasurable and desirable, rather than distressing and anxiety inducing.