What Is Considered Mental Illness?

What is the rarest mental illness?

Apotemnophilia.

Also known as body integrity identity disorder, apotemnophilia is characterized by the “overwhelming desire to amputate healthy parts of [the] body,” according to Medscape.

Though not much is known about it, this disorder is believed to be neurological..

What are the 4 types of mental illness?

What are some types of mental disorders?Anxiety disorders, including panic disorder, obsessive-compulsive disorder, and phobias.Depression, bipolar disorder, and other mood disorders.Eating disorders.Personality disorders.Post-traumatic stress disorder.Psychotic disorders, including schizophrenia.

What classifies as a mental illness?

Mental illnesses are health conditions involving changes in emotion, thinking or behavior (or a combination of these). Mental illnesses are associated with distress and/or problems functioning in social, work or family activities. Mental illness is common.

What are the top 10 mental illnesses?

10 Types of personality disorders include:Avoidant Personality Disorder. … Borderline Personality Disorder. … Histrionic Personality Disorder. … Narcissistic Personality Disorder. … Obsessive-Compulsive Personality Disorder. … Paranoid Personality Disorder. … Schizoid Personality Disorder. … Schizotypal Personality Disorder.More items…

What are the 5 signs of mental illness?

The five main warning signs of mental illness are as follows:Excessive paranoia, worry, or anxiety.Long-lasting sadness or irritability.Extreme changes in moods.Social withdrawal.Dramatic changes in eating or sleeping pattern.

What is the most painful mental illness?

Borderline personality disorder (BPD) has long been believed to be the one psychiatric disorder that produced the most intense emotional pain, agony, and distress in those who suffer with this condition. Studies have shown that borderline patients experience chronic and significant emotional suffering and mental agony.