Cluster C personality disorders

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Cluster C personality disorders

Psychological disorders

Mood disorders

Major depressive disorder

Suicide

Bipolar disorder

Seasonal affective disorder

Premenstrual dysphoric disorder

Anxiety disorders

Generalized anxiety disorder

Social anxiety disorder

Panic disorder

Agoraphobia

Phobias

Obsessive-compulsive disorders

Obsessive-compulsive disorder

Body focused repetitive disorders

Body dysmorphic disorder

Stress-related disorders and abuse

Post-traumatic stress disorder

Physical and sexual abuse

Psychotic disorders

Schizoaffective disorder

Schizophreniform disorder

Delusional disorder

Schizophrenia

Cognitive and dissociative disorders

Delirium

Amnesia

Dissociative disorders

Eating disorders

Anorexia nervosa

Bulimia nervosa

Personality disorders

Cluster A personality disorders

Cluster B personality disorders

Cluster C personality disorders

Somatoform and factitious disorders

Somatic symptom disorder

Factitious disorder

Substance use disorders and drugs of abuse

Tobacco dependence

Opioid dependence

Cannabis dependence

Cocaine dependence

Alcohol use disorder

Sleep disorders

Bruxism

Nocturnal enuresis

Insomnia

Night terrors

Narcolepsy (NORD)

Sexual dysfunction disorders

Erectile dysfunction

Male hypoactive sexual desire disorder

Orgasmic dysfunction

Female sexual interest and arousal disorder

Genito-pelvic pain and penetration disorder

Pediatric disorders

Attention deficit hyperactivity disorder

Disruptive, impulse control, and conduct disorders

Learning disability

Fetal alcohol syndrome

Tourette syndrome

Autism spectrum disorder

Rett syndrome

Shaken baby syndrome

Enuresis

Encopresis

Psychiatric emergencies

Suicide

Serotonin syndrome

Neuroleptic malignant syndrome

Psychological disorders review

Mood disorders: Pathology review

Amnesia, dissociative disorders and delirium: Pathology review

Personality disorders: Pathology review

Eating disorders: Pathology review

Psychological sleep disorders: Pathology review

Psychiatric emergencies: Pathology review

Drug misuse, intoxication and withdrawal: Hallucinogens: Pathology review

Malingering, factitious disorders and somatoform disorders: Pathology review

Anxiety disorders, phobias and stress-related disorders: Pathology Review

Trauma- and stress-related disorders: Pathology review

Schizophrenia spectrum disorders: Pathology review

Drug misuse, intoxication and withdrawal: Stimulants: Pathology review

Drug misuse, intoxication and withdrawal: Alcohol: Pathology review

Developmental and learning disorders: Pathology review

Childhood and early-onset psychological disorders: Pathology review

Assessments

Cluster C personality disorders

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High Yield Notes

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Cluster C personality disorders

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Questions

USMLE® Step 1 style questions USMLE

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A 29-year-old woman comes to the office for a routine check-up at the prompting of her parent. The patient’s parent reports that the patient has endured emotional abuse by her partner. The patient refuses to end the relationship with her partner and feels uneasy when the partner is not around. She adds, “I'm worried that if I leave the relationship, my life will only get worse.” She has not been employed since she started dating and living with her partner, and she is convinced that nobody would hire her. A review of her medical record indicates that she has endured several episodes of verbal abuse from prior relationships, which she suggested “were all her fault.” She has had four prior serious relationships and reports that she has not been single for more than a few weeks in the last 10 years. The patient’s parent states that they manage most of her finances and that the patient is “unable to handle it on her own.” She does not have any friends outside of her romantic relationship. Vitals are within normal limits. Physical examination is unremarkable. Which of the following best describes the underlying cause of this patient’s behavior?  

External References

First Aid

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Avoidant personality disorder p. 588

Transcript

Content Reviewers

Rishi Desai, MD, MPH

Contributors

Tanner Marshall, MS

If you were asked to describe a friend’s personality, you might describe them as a creative type, or easy-going but nervous in groups.

Basically, you’re trying to summarize the personality traits that make them who they are—either how they think or how they act.

Sometimes these thought patterns or behaviors which make up a person’s personality can actually be harmful in the sense that they interfere with their day-to-day functioning in their personal life, at work, or in social settings.

If this were the case, we would say that the individual has a personality disorder.

The DSM-5 lists ten personality disorders that are split into three different “clusters”: A, B, and C.

These used to be under the umbrella of “Axis 2” but that way of organizing isn’t really used anymore.

Cluster C personality disorders include avoidant personality disorder, obsessive compulsive personality disorder, and dependent personality disorder.

As you can probably guess, they all have a genetic association with anxiety disorders.

Let’s start with avoidant personality disorder.

Individuals with this disorder tend to be shy, timid, and socially inhibited, with extremely low self-esteem, seeing themselves as incapable, inadequate, and undesirable.

These individuals often want close relationships with others, but rarely take social risks, and avoid social situations, which makes it hard for them to meet new people.

People with this disorder can be hypersensitive to rejection and negative feedback, becoming even more withdrawn when that happens.

There is overlap between avoidant personality disorders and social phobias, but one key difference is that social phobias tend to be focused on anxiety of specific situations like public speaking or dancing in public, while avoidant personality disorder is defined by an anxiety of social situations more generally.

Next we’ve got obsessive compulsive personality disorder (OCPD), which is where individuals are obsessed with orderliness, perfectionism, and having complete control, as well as rules, details, and schedules.

While OCPD might sound like a great set of attributes, people with this disorder can often be inflexible and easily stressed, as well as surprisingly inefficient because they spend so much extra time planning and worrying about tasks, rather than simply getting on with them.

Elsevier

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