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Fainting: Introduction

Fainting: Feeling of lightheadedness and falling over. See detailed information below for a list of 1326 causes of Fainting, Symptom Checker, Assessment Questionnaire, including diseases and drug side effect causes.

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

Causes of Fainting:

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

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

Home Diagnostic Testing and Fainting

Home medical tests possibly related to Fainting:

Causes of Types of Fainting:

Review the causes of these more specific types of Fainting:

Review causes of types of Fainting in more specific categories:

Fainting: Symptom Checker

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

Symptom Checker

Symptom Checker

Fainting Treatments

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

Review further information on Fainting Treatments.

Alternative Treatments for Fainting

Alternative treatments or home remedies that have been listed as possibly helpful for Fainting may include:

Stories from Users for Fainting

Real-life user stories relating to Fainting:

Message Boards for Fainting

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

Diagnostic tests for Fainting:

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

  • Physical examination
    • Observe for pallor of skin or conjunctiva. Moderate or severe anemia will cause lightheadedness and dizziness
    • Blood pressure taken when lying down and again after rapidly arising to standing position. Low blood pressure or postural drop in blood pressure can cause fainting
    • Complete cardiovascular examination. If there are irregularities of heart beat, heart murmurs or heart enlargement found may suggest cardiac arrhythmia, aortic stenosis and insufficiency, mitral stenosis, prolapse of the mitral valve or congestive cardiac failure as a cause of the fainting
    • Complete nervous system examination should be performed including visual acuity, inspecting for nystagmus, cranial nerve and cerebellar examination. If abnormalities are found may suggest multiple sclerosis, advanced brain stem tumor, acoustic neuroma or basilar artery insufficiency
  • Blood tests
    • Full blood count and electrolytes
  • more tests...»

Medications or substances causing Fainting:

The following drugs, medications, substances or toxins are some of the possible causes of Fainting 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 Fainting:

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

  • Tamsulosin and beta-blocking drug interaction
  • Flomax and beta-blocking drug interaction
  • Nitroglycerin and alcohol interaction
  • Deponit and alcohol interaction
  • Minitran and alcohol interaction
  • Nitrek and alcohol interaction
  • Nitro-Bid and alcohol interaction
  • more interactions...»

Fainting: Comorbid Symptoms

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

Causes of General Symptom Types

Research the causes of these more general types of symptom:

Causes of Similar Symptoms to Fainting

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

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

During a consultation, your doctor will use various techniques to assess the symptom: Fainting. 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 Fainting Assessment Questionnaire (19 listings)

Fainting: Deaths

Read more about causes and Fainting deaths.

Misdiagnosis and Fainting

Mild traumatic brain injury often remains undiagnosed: Although the symptoms of severe brain injury are hard to miss, it is less clear more »

MTBI misdiagnosed as balance problem: When a person has symptoms such as vertigo or dizziness, a diagnosis of brain injury may go overlooked. This is particularly true of mild traumatic more »

Vitamin B12 deficiency under-diagnosed: The condition of Vitamin B12 deficiency is a possible misdiagnosis of various conditions, such as multiple sclerosis (see symptoms of multiple sclerosis) more »

Fainting: Research Related Doctors & Specialists

Other ways to find a doctor, or use doctor, physician and specialist online research services:

Fainting: Undiagnosed Conditions

Conditions that are commonly undiagnosed in related areas may include:

Causes of Fainting listed in Disease Database:

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

Article Excerpts about Fainting

Syncope is the temporary loss of consciousness due to a sudden decline in... (Source: excerpt from NINDS Syncope Information Page: NINDS)

Definitions of Fainting:

A spontaneous loss of consciousness caused by insufficient blood to the brain.
- (Source - Diseases Database)

Organs affected by Fainting:

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

Detailed list of causes of Fainting

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

How Common are these Causes of Fainting?

This information refers to the general prevalence and incidence of these diseases, not to how likely they are to be the actual cause of Fainting. Of the 1326 causes of Fainting that we have listed, we have the following prevalence/incidence information:

  • 10 causes are "very common" diseases
  • 15 causes are "common" diseases
  • 6 causes are "uncommon" diseases
  • 5 causes are "rare" diseases
  • 15 causes are "very rare" diseases
  • 1301 causes have no prevalence information.

Conditions listing medical symptoms: Fainting:

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

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Conditions listing medical complications: Fainting:

The following list of medical conditions have Fainting 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 Fainting Based on Risk Factors

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

    Depending on the seriousness of the onset of Fainting, 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 Fainting:

    Presyncope, Syncope
    - (Source - Diseases Database)

    Classifications of Fainting:

    Subtypes of Fainting:

    Dizziness (1357 causes), Level of consciousness, decreased (11 causes)

    Medical Conditions associated with Fainting:

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

    Symptoms related to Fainting:

    Dizziness (1357 causes), Lightheadedness (1357 causes), Syncope (2084 causes), Seizures (2418 causes), Giddiness (12 causes), Postural hypotension (33 causes), Pregnancy (699 causes), Vasovagal attack, Heat exposure, Heatstroke (10 causes), Low blood pressure (575 causes), Orthostatic hypotension (55 causes), Hyperventilation (92 causes), Low blood sugar (157 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 Fainting

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

    Related medical articles from our Disease Center for Syncope:

    More Ways To Research Medical Signs and Symptoms:


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