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Unconsciousness: Introduction

Unconsciousness: A condition which is characterized by impaired consciousness. See detailed information below for a list of 424 causes of Unconsciousness, Symptom Checker, including diseases and drug side effect causes.

» Review Causes of Unconsciousness: Causes | Symptom Checker »

Causes of Unconsciousness:

The following medical conditions are some of the possible causes of Unconsciousness. There are likely to be other possible causes, so ask your doctor about your symptoms.

» Review Causes of Unconsciousness: Causes | Symptom Checker »

Causes of Types of Unconsciousness:

Review the causes of these more specific types of Unconsciousness:

Unconsciousness: Symptom Checker

Listed below are some combinations of symptoms associated with Unconsciousness, as listed in our database. Visit the Symptom Checker, to add and remove symptoms and research your condition.

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Unconsciousness Treatments

Review further information on Unconsciousness Treatments.

Stories from Users for Unconsciousness

Real-life user stories relating to Unconsciousness:

Drug interactions causing Unconsciousness:

When combined, certain drugs, medications, substances or toxins may react causing Unconsciousness as a symptom. Always advise your doctor of any medications or treatments you are using, including prescription, over-the-counter, supplements, herbal or alternative treatments.

Unconsciousness: Comorbid Symptoms

Some of the comorbid or associated medical symptoms for Unconsciousness may include these symptoms:

Causes of General Symptom Types

Research the causes of these more general types of symptom:

Research the causes of related medical symptoms such as:

Causes of Similar Symptoms to Unconsciousness

Research the causes of these symptoms that are similar to, or related to, the symptom Unconsciousness:

Unconsciousness: Deaths

Read more about causes and Unconsciousness deaths.

Causes of Unconsciousness listed in Disease Database:

Other medical conditions listed in the Disease Database as possible causes of Unconsciousness as a symptom include:

Definitions of Unconsciousness:

Profound state of unconsciousness associated with depressed cerebral activity from which the individual cannot be aroused; coma generally occurs when there is dysfunction or injury involving both cerebral hemispheres or the brain stem.
- (Source - Diseases Database)

Loss of the ability to maintain awareness of self and environment combined with markedly reduced responsiveness to environmental stimuli.
- (Source - CRISP)

Detailed list of causes of Unconsciousness

The list below shows some of the causes of Unconsciousness mentioned in various sources:

How Common are these Causes of Unconsciousness?

This information refers to the general prevalence and incidence of these diseases, not to how likely they are to be the actual cause of Unconsciousness. Of the 424 causes of Unconsciousness that we have listed, we have the following prevalence/incidence information:

  • 1 causes are "very common" diseases
  • 3 causes are "common" diseases
  • 1 causes are "uncommon" diseases
  • 1 causes are "rare" diseases
  • 8 causes are "very rare" diseases
  • 417 causes have no prevalence information.

Conditions listing medical symptoms: Unconsciousness:

The following list of conditions have 'Unconsciousness' or similar listed as a symptom in our database. This computer-generated list may be inaccurate or incomplete. Always seek prompt professional medical advice about the cause of any symptom.

Select from the following alphabetical view of conditions which include a symptom of Unconsciousness or choose View All.

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Conditions listing medical complications: Unconsciousness:

The following list of medical conditions have Unconsciousness or similar listed as a medical complication in our database. The distinction between a symptom and complication is not always clear, and conditions mentioning this symptom as a complication may also be relevant. This computer-generated list may be inaccurate or incomplete. Always seek prompt professional medical advice about the cause of any symptom.











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Causes of Unconsciousness Based on Risk Factors

This information shows analysis of the list of causes of Unconsciousness based on whether certain risk factors apply to the patient:

  • Travel - has the patient travelled recently?
  • Diabetes - history of diabetes or family history of diabetes?

    What are the alternative names for Unconsciousness:

    Reduced level of consciousness, Coma, Drowsiness, Narcosis, Sedation, Somnolence, Unconscious state
    - (Source - Diseases Database)

    Classifications of Unconsciousness:

    Subtypes of Unconsciousness:

    Level of consciousness, decreased (11 causes), Unresponsiveness (44 causes), Reduced alertness (12 causes)

    Medical Conditions associated with Unconsciousness:

    Syncope (2084 causes), Level of consciousness symptoms (1504 causes)

    Symptoms related to Unconsciousness:

    Fainting (1326 causes), Syncope (2084 causes), Coma (862 causes), Blackouts (38 causes), Head injury (3 causes), Glasgow coma scale, Meningitis (160 causes), Encephalitis (137 causes), Wernicke's encephalopathy, Cirrhosis of liver (119 causes), Hepatic encephalopathy (16 causes), Respiratory failure (222 causes), Carbon dioxide narcosis

    Medical articles on signs and symptoms:

    Doctor-patient articles related to symptoms and diagnosis:

    These general medical articles may be of interest:

    Medical News summaries about Unconsciousness

    Our news pages contain the following medical news summaries about Unconsciousness and many other medical conditions:

    Related medical articles from our Disease Center for Unconsciousness:

    More Ways To Research Medical Signs and Symptoms:


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