This alphabetical list of Mental Disorders, also called Psychological Disorders, Psychiatric Disorders, and Mental Illnesses has been gathered from a wide variety of sources including the DSM-IV, DSM 5, ICD-10 Chapter V, and online resources including the Wikipedia page on mental disorders.

While we have attempted to make this a complete alphabetical list of mental illnesses, including those that are no longer recognized in either the DSM 5 and ICD-10 Chapter V; there are often local disorders that we are not aware of. There are also older disorders that we have made educated guesses based on our own research. If you see that we’re missing something, please contact us and let us know.

List of Psychological DisordersSubstance Abuse Disorders | Childhood Disorders

Alphabetical List of Mental Disorders, Psychiatric Disorders, and Neurological Disorders

A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z

Mental Disorders / Psychiatric Disorders / Neurological Disorders Starting With A

How Interventions Can Save Lives

  • Absence seizure: Also called the less common Petit Mal Seizure, these seizures typically cause a short period of “blanking out” or staring into space. Like other kinds of seizures, they are caused by abnormal activity in a person’s brain. [Epilepsy Foundation, Mayo Clinic]
  • Abulia: A pathological inability to make decisions or take action.
  • Acute Stress Disorder: Also known as Acute Stress Reaction and sometimes called Shock, this is a psychological condition caused by experiencing or witnessing a terrifying or traumatic event, such as a severe automobile accident, violent crime, or death. It should not be confused with the unrelated circulatory condition of shock, or the concept of shock value. Acute stress reaction may develop into PTSD if untreated. [PsychCentral, VA.gov]
  • Adjustment Disorders: Adjustment Disorder is defined as a maladaptive response to a normal, psychosocial stressor that has occurred in the past three months, and is not caused by another mental illness.
  • Adverse effects of medication NOS

     

  • Age-related Cognitive Decline: (now known as Dementia and Neurocognitive Decline)
  • Agoraphobia: This is a condition where an individual doesn’t wish to go to places or face situations where they could become exposed to panic attacks.
  • Akiltism: [Note from MHM Staff ] We were unable to find any solid information about this disorder. Our best guess is that this disorder was once used as a catch-all for unknown diagnoses, it seems to be based on the word “akilter” meaning off-kilter or unbalanced. Our further assumption is that it was dropped as more understanding was gained and because of the extreme stigma it carried. [Merriam-Webster]
  • Alcohol Addiction: According to the National Council on Alcoholism and Drug Dependence, approximately 17.6 million adults abuse alcohol or are physically dependent on it.
  • Alzheimer’s Disease: Approximately 19 million Americans have a family member who suffers from Alzheimer’s disease. There are seven stages of Alzheimer’s …

  • Amnesia: (also known as Amnestic Disorder) a person suffering from memory amnesia lost parts or all of his memory. It’s not your plain everyday forgetfulness, instead, it is the complete eradication of any or all events and relations.
  • Amphetamine Addiction: Amphetamines are some of the most addictive drugs in the world. The best way to overcome an amphetamine addiction is to get help from a professional treatment center.
  • Anorexia Nervosa: This is an eating disorder. The symptoms of Anorexia tend to be that the sufferer will eat very little, or not eat at all for a number of days, for fear of gaining weight.
  • Anterograde Amnesia: The loss of ability to create new memories after an amnesia event. The inability to recall recent past events, but retaining long-term memories from before the event.
  • Antisocial personality disorder: (also known as Sociopathy)  “A psychiatric condition in which a person manipulates, exploits or violates the rights of others … this behavior is often criminal.
  • Anxiety Disorder: (Also known as Generalized Anxiety Disorder) A condition in which people experience a constant state of high anxiety, which does not seem to be attributed to any particular cause.
  • Anxiolytic related disorders: A number of different disorders that result from the abuse of a class of medications known as sedatives, hypnotics, and anxiolytics (SHA).
  • Asperger’s Syndrome: (now part of Autism Spectrum Disorder, ASD) Asperger’s is characterized by social impairment, communication difficulties, and restrictive, repetitive, and stereotyped patterns of behavior.
  • Attention Deficit Disorder: (Also known as ADD) Children with this condition generally have challenges paying attention to or concentrating on a given task. They also tend to move constantly and are impulsive.
  • Attention Deficit Hyperactivity Disorder: (Also known as ADHD) This is a neurodevelopmental disorder, meaning that the disorder is present at the time of birth. There are 3 types of ADHD:
    • Inattentive type
    • Hyperactive/Impulsive type
    • Combination type
  • Autism Spectrum Disorder: (also known as Autism)  Autism is classified as one of the pervasive developmental disorders of the brain. It is not a disease. People with classical autism show three types of symptoms …
  • Autophagia: A disorder where a person compelled to inflict pain upon oneself by biting and/or eating portions of their own body.
  • Avoidant Personality Disorder: Marked social inhibition, feelings of inadequacy, and extremely sensitive to criticism.

Starting With B

  • Barbiturate related disorders: The use of Barbiturates can lead to some of the following: Addiction to stimulants like amphetamines or methamphetamines; antisocial personality disorder; anxiety, bipolar and conduct disorders; depression, insomnia, and schizophrenia.
  • Benzodiazepine-related disorders: Benzodiazepines are a class of drugs prescribed due to their effectiveness in treating anxiety, and insomnia. Addiction can occur. Withdrawal symptoms include trouble sleeping, feelings of depression, and sweating.
  • Bereavement: A period of mourning after a loss, especially after the death of a loved one. There is no right way to experience bereavement.
  • Bibliomania: A passionate enthusiasm for collecting and possessing books.
  • Binge Eating Disorder: Binge eating disorder is an illness which resembles bulimia nervosa. It differs from bulimia because its sufferers do not purge their bodies of excess food.

     

  • Bipolar disorder (also known as Manic Depression, includes Bipolar I and Bipolar II):
    • Bipolar I:
    • Bipolar II:
  • Body Dysmorphic Disorder: This is a mental disorder where an individual can’t stop thinking about perceived defects or flaws in their appearance.
  • Borderline intellectual functioning: Also known as 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: Characterized by 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 type of eating disorder where a person frequently eats a large amount of food then tries to prevent weight gain with self-induced vomiting.

 

Starting With C

The Link Between Childhood Trauma, PTSD, and Alcoholism: A young woman with a drinking problem as a result of childhood trauma.

 

Starting With D

Starting With E

  • Eating disorder NOS
  • Ekbom’s Syndrome (Delusional Parasitosis)
  • Emotionally unstable personality disorder
  • Encopresis
  • Enuresis (bedwetting)
  • Erotomania
  • Exhibitionistic Disorder
  • Expressive language disorder

Starting With F

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

Starting With G

Starting With H

Starting With I

Starting With J

  • Joubert syndrome

Starting With K

Starting With L

Starting With M

Starting With N

Starting With O

Starting With P

Starting With Q

  • There Are Currently No Disorders Starting With Q

Starting With R

Starting With S

Starting With T

Starting With U

  • Undifferentiated Somatoform Disorder

Starting With V

  • Vaginismus
  • Voyeuristic Disorder

Starting With W

  • There Are Currently No Disorders Starting With W

Starting With X

  • There Are Currently No Disorders Starting With X

Starting With Y

  • There Are Currently No Disorders Starting With Y

Starting With Z

  • There Are Currently No Disorders Starting With Z

Other Resources