
Personality disorders are defined by an unhealthy pattern of thinking and functioning. There are three categories of personality disorders, which are odd/eccentric thinking, dramatic thinking, and anxious thinking.

Personality disorders vary depending on the specific kind. There are ten main types of personality disorders, which are split into three main clusters. These clusters are odd/eccentric thinking, dramatic thinking, and anxious thinking.

1. Paranoid Personality Disorder
2. Schizoid Personality Disorder
3. Schizotypal Personality Disorder
4. Antisocial Personality Disorder
5. Borderline Personality Disorder
6. Histrionic Personality Disorder
7. Narcissistic Personality Disorder
8. Avoidant Personality Disorder
9. Dependent Personality Disorder
10. Obsessive-Compulsive Personality Disorder

Symptoms depend on the specific type of personality disorder. In order to be diagnosed with a personality disorder, a medical professional will most likely conduct a physical exam in order to check the individual’s overall health. The doctor might check for the use of alcohol and drugs to ensure that substances are not the cause of the individual’s personality abnormalities.

Personality disorders usually require a team approach in order to ensure the patient's mental and physical health is the best it can be. This team may include a psychiatrist, therapist, psychiatric nurse, pharmacist, and social workers.

A medical professional might conduct a range of mental, physical, and genetic exams. They will also use the DSM-5 to ensure that the individual's symptoms match the criteria for that specific disorder.
What is a Personality Disorder?
Personality disorders vary depending on the specific kind. There are ten main types of personality disorders, which are split into three main clusters. Cluster A, which is defined by odd and eccentric thinking, consists of paranoid personality disorder, schizoid personality disorder, and schizotypal personality disorder. Cluster B, dramatic thinking, includes antisocial personality disorder, borderline personality disorder, histrionic personality disorder, and narcissistic personality disorder. Lastly, cluster C, defined by anxious thinking, is avoidant personality disorder, dependent personality disorder, and obsessive-compulsive personality disorder. A personality disorder is when an individual has an unhealthy pattern of thinking and functioning. When a person has this disorder, they might find it difficult to relate to others, therefore relationships in work and social life might be more challenging. People with personality disorders usually begin experiencing symptoms in teenage years or early adulthood. Sometimes people with personality disorders are hesitant to believe that they have it because they don’t see anything wrong with their way of thinking.
Symptoms of the Ten Different Personality Disorders
Cluster A: Odd/Eccentric Thinking
1. Paranoid Personality Disorder
Paranoid personality disorder is when an individual experiences distrust in others. They might have suspicions that others’ actions have mal-intent towards them, or that others will not be loyal. Individuals who have paranoid personality disorder also tend to hold grudges, and overall experience unjustified thoughts.
2. Schizoid Personality Disorder
Schizoid personality disorder is when an individual has a lack of interest in any kind of relationship with others. This person might feel, and demonstrate, a limited range of emotions. They are also usually unable to find pleasure in other activities. Individuals with schizoid personality disorder usually find it difficult to pick up on social cues, which makes obtaining a relationship even more difficult for them.
3. Schizotypal Personality Disorder
The third personality disorder in the odd and eccentric thinking cluster is schizotypal personality disorder. This is when a person has strange perceptual experiences, such as hearing things. They may exhibit flat or inappropriate emotions. People with this disorder experience somewhat of a paranormal way of thinking in the sense that they believe they can influence others with their thoughts, or they hear others influencing them.
Cluster B: Dramatic Thinking
4. Antisocial Personality Disorder
Antisocial personality disorder is when an individual demonstrates a lack of regard for anyone but themselves. They may show this through lying to, stealing from, or decieving others. Although they commit these actions, they usually do not regret their actions or feel any kind of guilt. People with antisocial personality disorder also tend to be impulsive, and sometimes aggressive.
5. Borderline Personality Disorder
Another disorder included in the dramatic thinking cluster is borderline personality disorder. Borderline personality disorder is when an individual has unstable emotions, thoughts and behaviors. Individuals with this personality disorder may engage in risky behavior such as unsafe sex, substance use, gambling, etc. They may also have thoughts, or sometimes threats, of killing themselves. Some may show frequent and intense anger. Lastly, people with borderline personality disorder may fear being alone because they fear abandonment.
6. Histrionic Personality Disorder
Histrionic personality disorder is when an individual is constantly seeking attention, whether it is through excessive emotional, dramatic, or provocative behavior. They are usually easily influenced by others, and think their relationships with others are a lot closer than they are in reality. An individual with histrionic personality disorder is also very concerned with their appearance and their emotions may change quickly and frequently.
7. Narcissistic Personality Disorder
The last disorder in the dramatic thinking cluster is narcissistic personality disorder. This is when an individual acts like, and truly believes, they are more special and important than others. Their goals and fantasies are surrounded by power, wealth, and success. They are usually arrogant and believe that others around them wish to be more like them. People with narcissistic personality disorder also tend to exaggerate and emphasize their achievements to others.
Cluster C: Anxious Thinking
8. Avoidant Personality Disorder
Avoidant personality disorder is when an individual feels that they are less than everyone else, which causes them to avoid certain social activities, or work opportunities. People with this disorder are usually exceedingly sensitive to criticism and very shy. Individuals with avoidant personality disorder tend to have an extreme, and sometimes irrational, fear of embarrassment, which is also why they may avoid certain situations.
9. Dependent Personality Disorder
The next personality disorder in this cluster is dependent personality disorder. Dependent personality disorder is when a person depends on others, so much so that they feel that they need to be taken care of. Because of this they may be extremely clingy towards others and/or lack confidence that they are able to care for themselves. This may also cause the individual to tolerate poor or abusive treatment from others due to the fact that they feel they need that relationship. Someone with dependent personality disorder may also jump from relationship to relationship because of the intense fear they have of possibly having to provide for themselves.
10. Obsessive-Compulsive Personality Disorder
Obsessive-compulsive personality disorder (OCPD) differs from obsessive compulsive disorder (OCD). OCD is mostly about obsessive thoughts which lead to compulsive behavior, while people with OCPD are not as self aware and are preoccupied with perfectionism, which may cause dysfunction in certain areas of their life. They also feel the need to be in control of many aspects of their life. They usually feel the need to be in control of other people, as well as situations such as budgeting or spending money. People with obsessive-compulsive personality disorder may neglect their friends and family because they are busy working to make everything they do perfect.
Other Personality Disorders
- Personality changed due to another medical condition
- Other specified personality disorder and unspecified personality disorder
Treatment
Personality disorders usually require a team approach in order to ensure the patient's mental and physical health is the best it can be. This team may include a psychiatrist, therapist, psychiatric nurse, pharmacist, and social workers. After an individual is diagnosed with a personality disorder, they may begin treatment by going to therapy. Although there is no real cure for a personality disorder, therapy is a place to talk about moods, feelings, thoughts and behaviors. By talking about all of this, an individual is able to work though finding the best way to cope with anything negative. Sometimes family therapy is included in treatment strategies so that families have a better understanding of how to help the family member with the disorder experience fewer symptoms. Another treatment method includes medications. People with a personality disorder may be prescribed antidepressants, mood stabilizers, antipsychotic medications (neuroleptics), or anti-anxiety medications. Antidepressants are useful for individuals who are depressed and have more irritable feelings along with their mood disorder. Mood stabilizers aid in stabilizing mood swings. Antipsychotic medications are helpful if symptoms of the individual's personality disorder include ones that make you have cognitive or perceptual distortions. Anti-anxiety medications help an individual with a personality disorder if they experience anxious feelings or any kind of sleep issue along with the disorder. Depending on the specific personality disorder, a doctor may avoid anti-anxiety medications due to the fear or increasing impulsive behavior.
A personality disorder is when an individual has an unhealthy pattern of thinking and functioning. When a person has this disorder, they might find it difficult to relate to others, therefore relationships in work and social life might be more challenging.
DSM-5 Criteria for General Personality Disorder
A) An enduring pattern of inner experience and behavior that deviates markedly from the expectations of the individual’s culture. This pattern is manifested in two (or more) of the following areas:
B) The enduring pattern is inflexible and pervasive across a broad range of personal and social situations.
C) The enduring pattern leads to clinically significant distress or impairment in social, occupational, or other important areas of functioning.
D) The pattern is stable and of long duration, and its inset can be traced back at least to adolescence or early adulthood,
E) The enduring pattern is not better explained as a manifestation or consequence of another mental disorder.
F) The enduring pattern is not attributable to the physiological effects of a substance (e.g., a drug of abuse, a medication) or another medical condition (e.g., head trauma).
DSM-5 Criteria for Paranoid Personality Disorder
A) A pervasive distrust and suspiciousness of others such that their motives are interpreted as malevolent, beginning by early adulthood and present in a variety of contexts, as indicated by four (or more) of the following:
B) Does not occur exclusively during the course of schizophrenia, a bipolar disorder or depressive disorder with psychotic features, or other psychotic disorder and is not attributable to the physiological effects of another medical condition.
Note: If criteria are met prior to the onset of schizophrenia, add “premorbid,” i.e., “paranoid personality disorder (premorbid).”
DSM-5 Criteria for Schizoid Personality Disorder
A) A pervasive pattern of detachment from social relationships and a restricted range of expression of emotions in interpersonal settings, beginning by early adulthood and present in a variety of contexts, as indicated by four (or more) of the following:
B) Does not occur exclusively during the course of schizophrenia, a bipolar disorder or depressive disorder with psychotic features, another psychotic disorder, or autism spectrum disorder and is not attributable to the physiological effects of another medical condition.
Note: If criteria are met prior to the onset of schizophrenia, add “premorbid,” i.e, “schizoid personality disorder (premorbid).”
DSM-5 Criteria for Schizotypal Personality Disorder
A) A pervasive pattern of social and interpersonal deficits marked by acute discomfort with, and reduced capacity for, close relationships as well as by cognitive or perceptual distortions and eccentricities of behavior, beginning by early adulthood and present in a variety of contexts, as indicated by five (or more) of the following:
B) Does not occur exclusively during the course of schizophrenia, a bipolar disorder or depressive disorder with psychotic features, another psychotic disorder, or autism spectrum disorder.
Note: If criteria are met prior to the onset of schizophrenia, add “premorbid,” i.e, “schizoid personality disorder (premorbid).”
DSM-5 Criteria for Antisocial Personality Disorder
A) A pervasive pattern of disregard for and violation of the rights of others, occurring since age 15 years, as indicated by three (or more) of the following:
B) The individual is at least 18 years of age.
C)There is evidence of conduct disorder with onset before 15 years of age.
D) The occurrence of antisocial behavior is not exclusively during the course of schizophrenia or bipolar disorder.
DSM-5 Criteria for Borderline Personality Disorder
A) A pervasive pattern of instability of interpersonal relationships, self-image, and affects, and marked impulsivity, beginning by early adulthood and present in a variety of contexts, as indicated by five (or more) of the following:
DSM-5 Criteria for Histrionic Personality Disorder
A pervasive pattern of excessive emotionality and attention seeking, beginning by early adulthood and present in a variety of contexts, as indicated by five (or more) of the following:
DSM-5 Criteria for Narcissistic Personality Disorder
A pervasive pattern of grandiosity (in fantasy or behavior), need for admiration, a lack of empathy, beginning by early adulthood and present in a variety of contexts, as indicated by five (or more) of the following:
DSM-5 Criteria for Avoidant Personality Disorder
A pervasive pattern of social inhibition, feelings of inadequacy and hypersensitivity to negative evaluation, beginning by early adulthood and present in a variety of contexts, as indicated by four (or more) of the following:
DSM-5 Criteria for Dependent Personality Disorder
A pervasive and excessive need to be taken care of that leads to submissive and clinging behavior and fears of separation, beginning by early adulthood and present in a variety of contexts, as indicated by five (or more) of the following:
DSM-5 Criteria for Obsessive-Compulsive Personality Disorder
A pervasive pattern of preoccupation with orderliness, perfectionism, and mental and interpersonal control, at the expense of flexibility, openness, and efficiency, beginning by early adulthood and present in a variety of contexts, as indicated by four (or more) of the following:
DSM-5 Criteria for Personality Change Due to Another Medical Condition
A) A persistent personality disturbance that represents a change from the individual’s previous characteristic personality pattern.
Note: In children, the disturbance involves a marked deviation from normal development or a significant change in the child’s usual behavior patterns, lasting at least 1 year.
B) There is evidence from the history, physical examination, or laboratory findings that the disturbance is the direct pathophysiological consequence of another medical condition.
C) The disturbance is not better explained by another mental disorder (including another mental disorder due to another medical condition).
D) The disturbance does not occur exclusively during the course of a delirium.
E) The disturbance causes clinically significant distress or impairment in social, occupational, or other important areas.
Specify whether:
Labile type: If the predominant feature is affective lability.
Disinhibited type: If the predominant feature is poor impulse control as evidenced by sexual indiscretions, etc.
Aggressive type: If the predominant feature is aggressive behavior.
Apathetic type: If the predominant feature is marked by apathy and indifference.
Paranoid type: If the predominant feature is suspiciousness or paranoid ideation.
Other type: If the presentation is not characterized by any of the above subtypes.
Combined type: If more than one feature predominated in the clinical picture.
Unspecified type
Coding note: Include the name of the other medical condition (e.g., 310.1 [F07.0] personality change due to temporal lobe epilepsy). The other medical condition should be coded and listed separately immediately before the personality disorder due to another medical condition (e.g., 345.40 [G40.209] temporal lobe epilepsy; 310.1 [F07.0] personality change due to temporal lobe epilepsy).

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