List of Mental Disorders and Symptoms

If you happen to take a look at the mental disorders and their symptoms, you will be surprised to see the number of types in both children and adults. If a person is suffering from a mental illness, he/she might behave normally, but there will be obstructions in the way of thinking and perceiving things. Along with the types, there are many different signs and symptoms associated with these disorders. Note that children mostly suffer from mental disorders due to mental retardation. Several tests show that such abnormal conditions arise because of high stress levels, tension, mental shock, emotional ups and downs, improper growth of the intellect, and other medical reasons. There are several kinds of personality, anxiety, and mood disorders in the common mental disorders list. Take a look!
A General List of Mental Disorders and Their Associated Symptoms
  • Loss of interest
  • Poor concentration and memory
  • Thoughts of regret, self-hatred, and suicide
  • Loss of appetite
  • Lack of sleep

Alzheimer’s Disease

  • Inability to memorize
  • Confusion and mood swings
  • Language breakdown
  • Long-term memory loss
  • Irritability and aggressiveness


  • Avoiding huge public places
  • Inability to travel to various places
  • Fear of having panic attacks
  • Feeling of helplessness
  • Detachment from the real world


  • Lack of emotions
  • Low personal hygiene
  • Loss of self-motivation
  • Memory issues
  • Social withdrawal

Post-traumatic Stress Disorder

  • Sleep disorders
  • Inability to concentrate and memorize
  • Lack of emotional responsiveness
  • Upsetting nightmares and dreams
  • Feeling of a bad future

Bipolar Disorder

  • Sadness and depression
  • Low self-esteem
  • Aggressive behavior
  • Lack of sleep
  • Irritability

Social Anxiety Disorder

  • Confusion
  • Fear of embarrassment
  • Trembling or shaking
  • Fear of being in public
  • Sweating

Anorexia Nervosa

  • Excessive weight loss
  • Refusal to eat and skipping of meals
  • Indulging in excessive exercise
  • Social withdrawal
  • Fatigue


  • Lack of eye contact
  • Lack of conversation and speech
  • Being unaware of feelings and emotions
  • Repetitive body movements of the person
  • Extremely sensitive to light, touch, and sound

Obsessive Compulsive Disorder

  • Fear of contamination or getting dirty
  • Frequent washing of hands
  • Expecting excessive orderliness
  • Decisive instability
  • Subject to aggressive impulses

Rett Syndrome

  • Irritability and anger
  • Abnormal body movement and coordination
  • Lack of communication and thinking
  • Irregular heartbeats
  • Learning disabilities

Huntington Disease

  • Lack of energy and strength
  • Slurred communication
  • Stumbling
  • Extreme behavioral changes
  • Being aggressive for no reason

Attention Deficit Hyperactivity Disorder (ADHD)

  • Procrastination
  • Talking excessively
  • Disorganized daily schedule
  • Sudden change in moods
  • Excessive physical movement

Antisocial Personality Disorder

  • Violent behavior
  • Persistent lying
  • Bullying others
  • Irresponsible work nature
  • Violating rules and regulations

Borderline Personality Disorder

  • Feeling of being alone
  • Emotional instability
  • Anger and irritation
  • Unstable self-image
  • Lack of emotions or impulses

Munchausen Syndrome

  • Frequent hospitalization
  • Creating dramatic stories about health conditions
  • Feigning inconsistent symptoms to attract attention
  • Harming themselves
  • Seeking attention all the time

Asperger’s Syndrome

  • Physical clumsiness
  • Impaired social reactions
  • Disrespectful and rude behavior
  • Lack of proper conversational ability
  • Lack of adherence to social conduct

Catatonia is a form of catatonic schizophrenia.

  • Extreme motor functions
  • Negative attitude
  • Unusual posture
  • Repetitive movements
  • Abnormal mannerisms

Conduct Disorder

  • Aggressive behavior
  • Destructive mindset
  • Depression
  • Substance abuse
  • Suicidal thoughts


  • Hallucinations
  • Restlessness
  • Disorientation in decision making
  • Anxiety
  • Unclear speech

Psychogenic Amnesia

  • Confusion
  • Emotional instability
  • Mild depression
  • Inability to memorize
  • Lack of sleep


  • Excessive daytime sleepiness
  • Anxiety
  • Restlessness
  • Inability to think normally
  • Loss of appetite

Note that there are many other types of mental illnesses and disorders, such as Tourette’s disorder, tardive dyskinesia, schizod personality disorder, paranoid personality disorder, megalomania, and many other such problems. Each mental illness has its own set of signs and symptoms that may differ according to the level and extent of severity in the individual. The best treatment for a majority of these abnormalities is professional and medical counseling.

Disclaimer: This PsycholoGenie article is for informative purposes only and should not be used as a replacement for expert medical advice