Psychological Disorders

sufficient disorganization of personality, mind, or emotions to impair normal psychological functioning and cause marked distress or disability and that are typically associated with a disruption in normal thinking, feeling, mood, behavior, interpersonal interactions, or daily functioning.

We have also added neurological disorders in our list.


  • Absence seizure: Also called the less common Petit Mal Seizure, these seizures commonly cause a short period of “blanking out” or staring into space. They are caused by abnormal activity in the brain. 
  • Abulia: A pathological lack of ability to make decisions or take any action.
  •  Acute Stress Disorder: (Acute Stress Reaction or Shock) A psychological condition caused by experiencing or witnessing a terrifying or traumatic event, such as serious car accidents, violent crime, or death. 
  •  Adjustment Disorders: A maladaptive response to a normal, psychosocial stressor that has occurred in the past three months not caused by any other mental illness.
  • Adverse effects of medication NOS 
  •  Age-related Cognitive Decline: (now known as  Dementia  and  Neurocognitive Decline )
  •  Agoraphobia: A condition where an individual doesn’t want to go to places or be involved in a situation where they could potentially have panic attacks.
  • Akiltism: off-kilter or unbalanced.
  •  Alcohol Addiction: Being physically dependent on alcohol.
  •  Alzheimer’s Disease: Memory loss and other cognitive abilities serious enough to interfere with daily life

  •  Amnesia: (Amnestic Disorder ) a person that has lost parts or all of their memory. Should not be confused with forgetfulness. 
  •  Amphetamine Addiction:  Being totally reliant on Amphetamines.
  •  Anorexia Nervosa: An eating disorder based on the fear of gaining weight.
  • Anterograde Amnesia: The loss of ability to create new memories after an amnesia event and cannot recall recent past events, but still has their long-term memories from before the event.
  •  Antisocial personality disorder: (Sociopathy)  “A psychiatric condition where a person manipulates, exploits or violates the rights of others. It often involves criminal activity.
  •  Anxiety Disorder: (Generalized Anxiety Disorder) A condition where people experience a persistent state of high anxiety, with no particular cause.
  •  Anxiolytic related disorders: The abuse of sedatives, hypnotics, and anxiolytics (SHA).
  •  Asperger’s Syndrome: Characterized by social impairment, communication difficulties, and restrictive, repetitive, and stereotyped patterns of behavior.
  •  Attention Deficit Disorder: (ADD) Problems paying attention to or concentrating on a given task. Children tend to move constantly and are very impulsive.
  •  Attention Deficit Hyperactivity Disorder: (ADHD) A  neurodevelopmental disorder that is present at the time of birth. 3 types of ADHD:
    • Inattentive type
    • Hyperactive/Impulsive type
    • Combination type
  •  Autism Spectrum Disorder: ( Autism)  Pervasive developmental disorders of the brain and not considered a disease.
  • Autophagia: People are compelled to give themselves pain by biting and/or eating portions of their own bodies.
  •  Avoidant Personality Disorder: Social inhibition, feelings of inadequacy, and cannot handle to criticism.


  •  Barbiturate related disorders:  Addiction to stimulants like amphetamines or methamphetamines; antisocial personality disorder; anxiety, bipolar and conduct disorders; insomnia, depression, and schizophrenia.
  •  Benzodiazepine-related disorders:  Addiction to drugs that treat anxiety disorders.
  •  Bereavement: A period of mourning after any kind of loss.
  • Bibliomania: Addiction to collecting and possessing books.
  •  Binge Eating Disorder: recurrent episodes of eating large quantities of food ut does not attempt to throw up afterward.
  •  Bipolar disorder  (Manic Depression) manic episodes that last at least 7 days. It includes Bipolar I and Bipolar II:
    • Bipolar I: has had at least one manic episode in his or her life
    • Bipolar II: major depressive episode lasting at least two weeks and at least one hypomanic episode
  •  Body Dysmorphic Disorder: A mental disorder where someone can’t stop thinking about perceived defects or flaws in their appearance.
  • Borderline intellectual functioning: (borderline mental retardation) A person has below average cognitive ability (IQ of 70-85), but not as severe as an intellectual disability (IQ below 70).


  •  Borderline Personality Disorder:   A psychological illness involving unstable moods, behavior, and relationships.
  •  Breathing-Related Sleep Disorder: Abnormal breathing during sleep. Symptoms include snoring, apneas, or daytime sleepiness.
  •  Brief Psychotic Disorder: A psychosis that lasts less than one week that is a reaction to severe stress.
  • Bruxism: A condition in which you grind, gnash, or clench your teeth. 
  •  Bulimia Nervosa: A person frequently eats a large amount of food then self-induces vomiting.




  •  Caffeine Addiction: Addiction to things that have caffeine in it
  •  Cannabis Addiction: Addicted to marijuana.
  • Catatonic disorder: a state of stupor or unresponsiveness in a person who is awake.
  • Catatonic schizophrenia: Severe mental disorder indicated by striking motor behaviour, involving either significant reductions in voluntary movement or hyperactivity and agitation.
  • Childhood amnesia: the inability of adults to retrieve episodic memories.
  •  Childhood Disintegrative Disorder: (part of  Autism Spectrum Disorder) A rare condition indicated by late onset of developmental delays.
  •  Childhood-Onset Fluency Disorder: (Stuttering) A speech disorder that involves frequent and problems with normal fluency and flow of speech.
  •  Circadian Rhythm Disorders: caused by desynchronization between internal sleep-wake rhythms and the light-darkness cycle.
  • Claustrophobia: extreme or irrational fear of confined places.
  •  Cocaine related disorders 
  • Communication disorder: any disorder that affects an individual’s ability to comprehend, detect, or apply language and speech to engage in discourse effectively with others.
  •  Conduct Disorder: a mental disorder diagnosed in childhood or adolescence that presents itself through a repetitive and persistent pattern of behavior in which the basic rights of others or major age-appropriate norms are violated.
  •  Conversion Disorder: a mental condition in which a person has blindness, paralysis, or other nervous system (neurologic) symptoms that cannot be explained by medical evaluation.
  • Cotard delusion:  a rare mental disorder in which the affected person holds the delusional belief that they are dead, do not exist, are putrefying, or have lost their blood or internal organs.
  •  Cyclothymia: (also known as  Cyclothymic Disorder) a mental state characterized by marked swings of mood between depression and elation; bipolar disorder.



  •  Delerium: An acutely disturbed state of mind that occurs in fever, intoxication, and other disorders. Characterized by restlessness, illusions, and incoherence of thought and speech.
  •  Delusional Disorder: rare mental illness in which a person presents delusions, but with no accompanying prominent hallucinations, thought disorder, mood disorder, or significant flattening of affect.
  •  dementia: a chronic or persistent disorder of the mental processes caused by brain disease or injury and marked by memory disorders, personality changes, and impaired reasoning.
  •  Dependent Personality Disorder: (Asthenic Personality Disorder) A personality disorder where someone cannot to be alone.
  • Depersonalization disorder: (Depersonalization / Derealization Disorder) A mental disorder described as feeling disconnected or detached from one’s self.
  •  Depression: (Major Depressive Disorder) feelings of severe despondency and dejection.
  • Depressive personality disorder: a pervasive pattern of depressive cognitions and behaviors beginning by early adulthood and occurring in a variety of contexts.
  • Derealization disorder: (See Depersonalization Disorder)
  • Dermotillomania: a mental illness related to obsessive-compulsive disorder. It is characterized by repeated picking at one’s own skin which results in skin lesions and causes significant disruption in one’s life.
  • Desynchronosis: occurs when people travel rapidly across time zones or when their sleep is disrupted.
  • Developmental coordination disorder: A delay in the development of motor skills, or difficulty coordinating movements, results in a child being unable to perform common, everyday tasks.
  • Diogenes Syndrome: A disorder characterized by extreme self-neglect, domestic squalor, social withdrawal, apathy, compulsive hoarding of garbage or animals, plus lack of shame.
  • Disorder of written expression: A type of learning disability in which a person’s writing ability falls substantially below normally expected range based on the individual’s age, educational background, and measured intelligence.
  • Dispareunia: Difficult or painful sexual intercourse.
  • Dissocial Personality Disorder: Impulsivity, high negative emotionality, low conscientiousness and associated behaviours, including irresponsible and exploitative behaviour, recklessness, and deceitfulness.
  • Dissociative Amnesia: Inability to recall important personal information that would not typically be lost with ordinary forgetting.
  • Dissociative Fugue: One or more episodes of amnesia in which the inability to recall some or all of one’s past and either the loss of one’s identity or the formation of a new identity occur with sudden, unexpected, purposeful travel away from home.
  •  Dissociative Identity Disorder: (Multiple Personality Disorder) Condition in which two or more distinct identities, or personality states, are present in—and alternately take control of—an individual.
  • Down syndrome: a congenital disorder arising from a chromosome defect, causing intellectual impairment and physical abnormalities including short stature and a broad facial profile.
  •  Dyslexia: A general term for disorders that involve difficulty in learning to read or interpret words, letters, and other symbols, but that do not affect general intelligence.
  • Dyspareunia: (See Dispareunia)
  •  Dysthymia: (Persistent Depressive Disorder) Persistent mild depression.


  • Eating disorder NOS
  • Ekbom’s Syndrome: (Delusional Parasitosis) Individuals have a persistent belief that they are infested with living or nonliving pathogens such as parasites, insects, or bugs when no such infestation is present.
  • Emotionally unstable personality disorder: (Borderline personality disorder) A long-term pattern of unstable relationships, a distorted sense of self, and strong emotional reactions.
  • Encopresis: involuntary defecation, especially associated with emotional disturbance or psychiatric disorder.
  • Enuresis (bedwetting): Persistent wetting of the bed.
  • Erotomania: excessive sexual desire.
  • Exhibitionistic Disorder: A mental disorder that causes a person to expose his sexual organs—or genitals–to other people
  • Expressive language disorder: a condition in which a child has lower than normal ability in vocabulary, saying complex sentences, and remembering words.


  • Factitious Disorder
  • Female Sexual Disorders
  • Fetishistic Disorder
  • Folie à deux
  • Fregoli delusion
  • Frotteuristic Disorder
  • Fugue State


  • Ganser syndrome
  •  Gambling Addiction 
  •  Gender Dysphoria  (formerly known as  Gender Identity Disorder )
  •  Generalized Anxiety Disorder 
  • General adaptation syndrome
  • Grandiose delusions


  •  Hallucinogen Addiction 
  • Haltlose personality disorder
  •  Histrionic Personality Disorder 
  • Primary hypersomnia
  •  Huntington’s Disease 
  • Hypoactive sexual desire disorder
  •  Hypochondriasis 
  • Hypomania
  • Hyperkinetic syndrome
  •  Hypersomnia 
  • Hysteria


  • Impulse control disorder
  • Impulse control disorder NOS
  •  Inhalant Addiction 
  •  Insomnia 
  •  Intellectual Development Disorder 
  •  Intermittent Explosive Disorder 


  • Joubert syndrome


  •  Kleptomania 
  • Korsakoff’s syndrome


  • Lacunar amnesia
  • Language Disorder
  •  Learning Disorders 


  •  Major Depression  (also known as Major Depressive Disorder)
  • Major depressive disorder
  •  Male Sexual Disorders 
  • Malingering
  • Mathematics disorder
  • Medication-related disorder
  • Melancholia
  •  Mental Retardation  (now known as  Intellectual Development Disorder )
  • Misophonia
  • Morbid jealousy
  •  Multiple Personality Disorder  (now known as  Dissociative Identity Disorder )
  •  Munchausen Syndrome 
  •  Munchausen by Proxy 


  •  Narcissistic Personality Disorder 
  • Narcolepsy
  • Neglect of child
  •  Neurocognitive Disorder  (formerly known as  Dementia )
  • Neuroleptic-related disorder
  • Nightmare Disorder
  • Non Rapid Eye Movement


  •  Obsessive-Compulsive Disorder 
  •  Obsessive-Compulsive Personality Disorder  (also known as  Anankastic Personality Disorder )
  • Oneirophrenia
  • Onychophagia
  •  Opioid Addiction 
  •  Oppositional Defiant Disorder 
  • Orthorexia (ON)


  • Pain disorder
  • Panic attacks
  •  Panic Disorder 
  •  Paranoid Personality Disorder 
  •  Parkinson’s Disease 
  • Partner relational problem
  • Passive-aggressive personality disorder
  • Pathological gambling
  •  Pedophilic Disorder 
  • Perfectionism
  • Persecutory delusion
  •  Persistent Depressive Disorder  (also known as  Dysthymia )
  • Personality change due to a general medical condition
  • Personality disorder
  • Pervasive developmental disorder (PDD)
  • Phencyclidine related disorder
  • Phobic disorder
  • Phonological disorder
  • Physical abuse
  •  Pica 
  • Polysubstance related disorder
  •  Postpartum Depression 
  • Post-traumatic embitterment disorder (PTED)
  •  Post Traumatic Stress Disorder 
  • Premature ejaculation
  •  Premenstrual Dysphoric Disorder 
  • Psychogenic amnesia
  • Psychological factor affecting medical condition
  • Psychoneurotic personality disorder
  • Psychotic disorder, not otherwise specified
  • Pyromania


  • There Are Currently No Disorders Starting With Q


  •  Reactive Attachment Disorder 
  • Reading disorder
  • Recurrent brief depression
  • Relational disorder
  • REM Sleep Behavior Disorder
  • Restless Leg Syndrome
  • Retrograde amnesia
  • Retts Disorder (now part of  Autism Spectrum Disorder )
  • Rumination syndrome


  • Sadistic personality disorder
  •  Schizoaffective Disorder 
  •  Schizoid Personality Disorder 
  •  Schizophrenia 
  • Schizophreniform disorder
  •  Schizotypal Personality Disorder 
  •  Seasonal Affective Disorder 
  •  Sedative, Hypnotic, or Anxiolytic Addiction 
  •  Selective Mutism 
  • Self-defeating personality disorder
  •  Separation Anxiety Disorder 
  • Sexual Disorders Female
  • Sexual Disorders Male
  •  Sexual Addiction 
  • Sexual Masochism Disorder
  •  Sexual Sadism Disorder 
  • Shared Psychotic Disorder
  •  Sleep Arousal Disorders 
  • Sleep Paralysis
  •  Sleep Terror Disorder  (now part of  Nightmare Disorder 
  •  Social Anxiety Disorder 
  • Somatization Disorder
  •  Specific Phobias 
  • Stendhal syndrome
  • Stereotypic movement disorder
  •  Stimulant Addiction 
  •  Stuttering  (now known as  Childhood-Onset Fluency Disorder )
  • Substance-related disorder


  • Tardive dyskinesia
  •  Tobacco Addiction 
  •  Tourettes Syndrome 
  • Transient tic disorder
  • Transient global amnesia
  • Transvestic Disorder
  •  Trichotillomania 


  • Undifferentiated Somatoform Disorder


  • Vaginismus
  • Voyeuristic Disorder


  • There Are Currently No Disorders Starting With W


  • There Are Currently No Disorders Starting With X


  • There Are Currently No Disorders Starting With Y


  • There Are Currently No Disorders Starting With Z