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Coma

Coma: Introduction

Coma: Loss of consciousness for a long period. See detailed information below for a list of 862 causes of Coma, Symptom Checker, Assessment Questionnaire, including diseases and drug side effect causes.

» Review Causes of Coma: Causes | Symptom Checker » | Assessment Questionnaire »

Causes of Coma:

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

» Review Causes of Coma: Causes | Symptom Checker » | Assessment Questionnaire »

Causes of Types of Coma:

Review the causes of these more specific types of Coma:

Review causes of types of Coma in more specific categories:

Review causes of more specific types of Coma:

Coma: Symptom Checker

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

Symptom Checker

Symptom Checker

Coma Treatments

Some of the possible treatments listed in sources for treatment of Coma may include:

  • Magnesium - possibly used for related magnesium deficiency
  • Levodopa - mainly used to assist in comas caused by liver failure
  • Apo-Levocarb - mainly used to assist in comas caused by liver failure
  • Bendopa - mainly used to assist in comas caused by liver failure
  • Dopar - mainly used to assist in comas caused by liver failure
  • Larodopa - mainly used to assist in comas caused by liver failure
  • Prolopa - mainly used to assist in comas caused by liver failure
  • more treatments...»

Review further information on Coma Treatments.

Stories from Users for Coma

Real-life user stories relating to Coma:

Message Boards for Coma

Symptom specific forums: The following patient stories in our interactive forums and message boards relate to Coma or relevant symptoms:

Diagnostic tests for Coma:

Various tests are used in the diagnosis of Coma. Some of these are listed below :

  • Physical examination
    • Perform basic CPR if person is not breathing or has absent pulse
    • Determine the level of consciousness using the Glasgow com scale which determines the degree of coma
    • Note general skin color - e.g. cyanosis (blueness of tongue and peripheries), bruising, jaundice, rashes, hyperpigmentation of Addison's disease.
    • Look for evidence of injury to head
  • more tests...»

Medications or substances causing Coma:

The following drugs, medications, substances or toxins are some of the possible causes of Coma 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.

Drug interactions causing Coma:

When combined, certain drugs, medications, substances or toxins may react causing Coma 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.

  • Phenelzine and tricyclic antidepressant interaction
  • Nardil and tricyclic antidepressant interaction
  • Parnate and tricyclic antidepressant interaction
  • Meperidine and monoamine oxidase inhibitor antidepressant interaction
  • Demerol and monoamine oxidase inhibitor antidepressant interaction
  • Zyvox and dextromethorphan interaction
  • Linezolid and dextromethorphan interaction
  • more interactions...»

Coma: Comorbid Symptoms

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

Causes of General Symptom Types

Research the causes of these more general types of symptom:

Causes of Similar Symptoms to Coma

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

Assessment Questionnaire: Questions your doctor may ask (and why!)

During a consultation, your doctor will use various techniques to assess the symptom: Coma. These will include a physical examination and possibly diagnostic tests. (Note: A physical exam is always done, diagnostic tests may or may not be performed depending on the suspected condition) Your doctor will ask several questions when assessing your condition. It is important to openly share any pertinent information to help your doctor make an accurate diagnosis.

It is also very important to bring an up-to-date list of all of your all medical conditions, medications including dosages, and names of numbers of any specialist you see.

Create your printable checklist here.

See Coma Assessment Questionnaire (17 listings)

Coma: Deaths

Read more about causes and Coma deaths.

Causes of Coma listed in Disease Database:

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

Article Excerpts about Coma

A coma is a profound or deep state of unconsciousness. The affected individual is alive but is not able to react or respond to life around him/her. Coma may occur as an expected progression or complication of an underlying illness, or as a result of an event such as head trauma. (Source: excerpt from NINDS Coma Information Page: NINDS)

A coma is a profound or deep state of unconsciousness. The affected individual is alive but is ... (Source: excerpt from NINDS Coma Information Page: NINDS)

Definitions of Coma:

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)

A state of deep and often prolonged unconsciousness; usually the result of disease or injury
- (Source - WordNet 2.1)

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 - CRISP)

Coma is listed as a "rare disease" by the Office of Rare Diseases (ORD) of the National Institutes of Health (NIH). This means that Coma, or a subtype of Coma, affects less than 200,000 people in the US population.
- (Source - National Institute of Health)

Organs affected by Coma:

The list of organs typically affected by Coma may include, but is not limited to:

Detailed list of causes of Coma

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

How Common are these Causes of Coma?

This information refers to the general prevalence and incidence of these diseases, not to how likely they are to be the actual cause of Coma. Of the 862 causes of Coma that we have listed, we have the following prevalence/incidence information:

  • 3 causes are "very common" diseases
  • 6 causes are "common" diseases
  • 7 causes are "uncommon" diseases
  • 2 causes are "rare" diseases
  • 24 causes are "very rare" diseases
  • 841 causes have no prevalence information.

Conditions listing medical symptoms: Coma:

The following list of conditions have 'Coma' 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 Coma or choose View All.

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Conditions listing medical complications: Coma:

The following list of medical conditions have Coma 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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Join in at the forums

Ask or answer a question about symptoms or diseases at one of our free interactive user forums.

Medical story forums: If you have a medical story then we want to hear it.

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Causes of Coma Based on Risk Factors

This information shows analysis of the list of causes of Coma 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?

    Doctors and specialists: Who should I consult about Coma?

    Depending on the seriousness of the onset of Coma, you may want to consult one of the following medical professionals.

    Important:In extreme cases, always seek advice from emergency services :

    What are the alternative names for Coma:

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

    Classifications of Coma:

    Subtypes of Coma:

    Level of consciousness, decreased (11 causes)

    Medical Conditions associated with Coma:

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

    Symptoms related to Coma:

    Syncope (2084 causes), Unconsciousness (424 causes), Blackouts (38 causes), Fainting (1326 causes), Delirium (381 causes), Hepatic coma, Intoxication, Metabolic abnormalities, Central nervous system diseases, Acute neurologic injuries, Stroke (192 causes), Hypoxia (69 causes)

    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 Coma

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

    Related medical articles from our Disease Center for Coma:

    More Ways To Research Medical Signs and Symptoms:

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