What Is Delirium, the Main Types and What Can Cause

What Is Delirium, the Main Types and What Can Cause

The delirium, also known as disorder and delusional, is the change of the content of thought, arising when the person believes strongly in an idea that is not the truth. Some of the signs indicate delirium are believe to have super-powers or being chased by enemies, for example, being difficult to distinguish imagination from reality.

The delusion arises in isolation or can be a symptom of people with psychosis, schizophrenia, abuse of alcohol and drugs after a brain injury or in the presence of other mental disorders, therefore it requires treatment with the psychiatrist. It is also common that the delusion arises accompanied by hallucinations, rather than ideas , are perceptions of things that are not there, such as hearing voices, seeing monsters, or feel to be stung by insects.

It is important not to confuse delirium with delirium, which is a state of mental confusion related to changes in the activity of the brain, and is known to affect mainly elderly inpatients or with some type of dementia.

Main types

There are several types of delirium, and the main ones are:

1. Delusions of persecution or paranoia

The bearer of this type of delusion believe that you are being a victim of persecution, and claims that there are enemies that are trying to kill, poison, defame, or that they want you to do any harm, without that this is true.

2. Delusion of grandeur

In this case, the person believes that it is superior to the other people for an important position or have skills are fantastic, as to have superpowers, to be God or the president of the republic, for example.


3. Delirium of self-reference

The person has the conviction that some event or object, even though insignificant, has a special significance. This feels the centre of observation and attention, and even the most insignificant of events is endowed with a meaning very important.

4. Delusion of jealousy

In this type of delusion the person believes that is being cheated by the partner or partner, and begins to see any signal, such as glances, words, or attitudes as a proof of his suspicion. This situation may promote the emergence of aggression and violence in the home.

5. Delusion of control or influence

The affected person believes that his actions and his thinking are controlled by another person, a group of people or external forces. Can also believe that are influenced by radiation, telepatias or special machines controlled by the enemies for the harm.

6. Other types

There are still other types of delirium, such as, for example, the erotomaníaco, in which the person believes that another person, usually famous, is in love with it, the somatic, in that there are beliefs about body sensations changed, and others, such as the mystical or vengeance.

In addition, there may be the disorder and delusional mixed, in that you can vary the types of delirium, with no one type predominant.

The cause of the delirium


The disorder and delusional is a psychiatric illness, and although its exact causes have not been clarified, it is known that their growth is related to genetic changes, because it is more common among people from the same family, in addition to the risk factors of the environment, which can include drug use, head trauma, certain infections or psychological experiences negative, for example.

The delusion can also be a symptom that is part of or can be confused with other psychiatric illnesses, such as schizophrenia, schizophreniform disorder, brain injury, obsessive-compulsive disorder, severe depression or bipolar disorder, for example.

The confirmation of the diagnosis of delirium is made after the evaluation of the psychiatrist, that will look at the signs and symptoms presented, the form of talk of the patient and, if necessary, to request tests to identify other types of diseases that may influence in the case.

How is it treated

The treatment of delirium depends on its cause, being, generally, required the use of antipsychotic medications, such as Haloperidol or Quetiapine, for example, antidepressants or tranquilizers, according to each case, which are indicated by the psychiatrist.

It is also very important to conduct psychotherapy, with cognitive-behavioral therapy. The family may also need help, being necessary to guide the family and suggest support groups. The evolution of delirium and the treatment time is variable and may last for hours, days, months, or years, that depends on the severity and clinical conditions of the patient.

Delirium and hallucination are the same thing?

Delirium and hallucination are different symptoms because, while the delusion is believing in something impossible, hallucinations are perceptions that are wrong, manifested through the vision, hearing, touch or smell, how to view dead people, or monsters, hear voices, feel stinging or feel smells that do not exist, for example.


These symptoms may appear separately or together in the same person, and usually arise in the presence of other mental disorders, such as schizophrenia, depression, disorders, schizoid, psychosis, or intoxication by drugs, for example.

What Is Delirium, the Main Types and What Can Cause 1