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Symptoms » Cognitive impairment

Cognitive impairment

Cognitive impairment: Introduction

Mental cognition refers to the various mental processes that underpin our rational thinking....more »

» Review Causes of Cognitive impairment: Causes | Symptom Checker » | Assessment Questionnaire »

Causes of Cognitive impairment:

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

» Review Causes of Cognitive impairment: Causes | Symptom Checker » | Assessment Questionnaire »

Common Causes of Cognitive impairment

Home Diagnostic Testing and Cognitive impairment

Home medical tests possibly related to Cognitive impairment:

Causes of Types of Cognitive impairment:

Review the causes of these more specific types of Cognitive impairment:

Cognitive impairment: Symptom Checker

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

Symptom Checker

Symptom Checker

Cognitive impairment Treatments

Review further information on Cognitive impairment Treatments.

Stories from Users for Cognitive impairment

Real-life user stories relating to Cognitive impairment:

Message Boards for Cognitive impairment

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

Diagnostic tests for Cognitive impairment:

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

Cognitive impairment: Animations

Drug interactions causing Cognitive impairment:

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

  • Halcion (Triazolam) and E.E.S. interaction
  • Halcion (Triazolam) and E-Mycin (erythromycin) interaction
  • Halcion (Triazolam) and ERYC interaction
  • Halcion (Triazolam) and EryPed interaction
  • Halcion (Triazolam) and Ery-Tab interaction
  • Halcion (Triazolam) and Erythrocin interaction
  • Halcion (Triazolam) and Ilosone interaction
  • more interactions...»

Cognitive impairment: Comorbid Symptoms

Some of the comorbid or associated medical symptoms for Cognitive impairment 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 Cognitive impairment

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

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

During a consultation, your doctor will use various techniques to assess the symptom: Cognitive impairment. 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 Cognitive impairment Assessment Questionnaire (22 listings)

Cognitive impairment: Deaths

Read more about causes and Cognitive impairment deaths.

Misdiagnosis and Cognitive impairment

Parental fears about toddler behavior often unfounded: There are many behaviors in infants and toddlers that may give rise to a fear that the child has some form of mental health condition. more »

Undiagnosed stroke leads to misdiagnosed aphasia: BBC News UK reported on a man who had been institutionalized and treated for mental illness because he suffered from sudden inability to speak. This was initially misdiagnosed as a more »

Dementia may be a drug interaction: A common scenario in aged care is for a patient to show mental decline to dementia. Whereas this can, of course, more »

Mild traumatic brain injury often remains undiagnosed: Although the symptoms of severe brain injury are hard to miss, it is less clear for milder injuries, or even those causing more »

ADHD under-diagnosed in adults: Although the over-diagnoses of ADHD in children is a well-known controversy, the reverse side related to adults. Some adults can remain undiagnosed, and indeed 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 more »

Bipolar disorder misdiagosed as various conditions by primary physicians: Bipolar disorder (manic-depressive disorder) often fails to be diagnosed correctly by primary care physicians. Many patients with bipolar seek help from their physician, rather than more »

Eating disorders under-diagnosed in men: The typical patient with an eating disorder is female. The result is that men with eating disorders often fail to be diagnosed or have a more »

Depression undiagnosed in teenagers: Serious bouts of depression can be undiagnosed in teenagers. The "normal" moodiness of teenagers can cause severe medical depression to be overlooked. See more »

Brain pressure condition often misdiagnosed as dementia: A condition that results from an excessive pressure of CSF within the brain is often misdiagnosed. It may more »

Post-concussive brain injury often misdiagnosed: A study found that soldiers who had suffered a concussive injury in battle often were misdiagnosed on their return. A variety of symptoms can more »

Children with migraine often misdiagnosed: A migraine often fails to be correctly diagnosed in pediatric patients. These patients are not the typical migraine sufferers, but migraines can also occur in children. See more »

Undiagnosed anxiety disorders related to depression: Patients with depression (see symptoms of depression) may also have undiagnosed anxiety disorders (see symptoms of anxiety disorders) more »

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

Cognitive impairment: Research Related Doctors & Specialists

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

Hospitals & Clinics: Cognitive impairment

Research extensive quality ratings and patient safety measures for hospitals, clinics and medical facilities in health specialties related to Cognitive impairment:

Cognitive impairment: Related Rare Diseases

Rare types of medical conditions and diseases in related medical categories:

Cognitive impairment: Undiagnosed Conditions

Conditions that are commonly undiagnosed in related areas may include:

Causes of Cognitive impairment listed in Disease Database:

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

Definitions of Cognitive impairment:

Broad group of severe mental and behavioral disorders etiologically traceable to brain disease, injury, or toxicosis; psychosis associated with endocrine disorders, drugs, and metabolic or nutritional abnormalities.
- (Source - Diseases Database)

Organs affected by Cognitive impairment:

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

Detailed list of causes of Cognitive impairment

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

How Common are these Causes of Cognitive impairment?

This information refers to the general prevalence and incidence of these diseases, not to how likely they are to be the actual cause of Cognitive impairment. Of the 3664 causes of Cognitive impairment that we have listed, we have the following prevalence/incidence information:

  • 18 causes are "very common" diseases
  • 19 causes are "common" diseases
  • 17 causes are "uncommon" diseases
  • 32 causes are "rare" diseases
  • 65 causes are "very rare" diseases
  • 3563 causes have no prevalence information.

Conditions listing medical symptoms: Cognitive impairment:

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

View All A B C D E F G H I J K L M N O P Q R S T U V W X Y Z #





Conditions listing medical complications: Cognitive impairment:

The following list of medical conditions have Cognitive impairment 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 Cognitive impairment Based on Risk Factors

This information shows analysis of the list of causes of Cognitive impairment 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 Cognitive impairment?

    Depending on the seriousness of the onset of Cognitive impairment, 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 Cognitive impairment:

    Obnubilation, Organic brain syndrome, Organic psychiatric syndrome, Brain failure, Brain syndromes, Cognition disturbance
    - (Source - Diseases Database)

    Classifications of Cognitive impairment:

    Subtypes of Cognitive impairment:

    Neurologic disorders (32 causes), Mental changes (34 causes), Progressive mental deterioration (65 causes), Impaired thinking (21 causes), Neurological problems (53 causes), Disorganization (53 causes), Intellectual impairment (367 causes), Abnormal thinking (6 causes), Changes in intellectual functioning (42 causes), Abnormal thinking in pregnancy (10 causes), Acalculia (6 causes), Acute Alzheimers-like concentration difficulty (9 causes), Acute Alzheimers-like confusion symptoms (14 causes), Acute Alzheimers-like memory loss (8 causes), Acute concentration difficulty in adults (7 causes), Acute concentration difficulty with headache-like symptoms (13 causes), Acute difficulty concentrating at work (8 causes), Acute difficulty concentrating for long periods (7 causes), Acute episodic concentration difficulty (3 causes), Acute feeling of having difficulty concentrating (5 causes), Acute forgetfulness (5 causes), Acute forgetfulness in pregnancy (14 causes), Acute intermittent forgetfulness (8 causes), Acute intermittent forgetfulness in pregnancy (14 causes), Acute seasonal concentration difficulty (7 causes), Agnosia (9 causes), Agnosia in children (8 causes), Alertness (2 causes), Altered mental state (37 causes), Altered mental status (149 causes), Alzheimers-like concentration difficulty (11 causes), Alzheimers-like confusion symptoms (22 causes), Alzheimers-like memory loss (8 causes), Amnesia (45 causes), Chronic Alzheimers-like concentration difficulty (9 causes), Chronic Alzheimers-like confusion symptoms (18 causes), Chronic Alzheimers-like memory loss (6 causes), Chronic concentration difficulty in adults (6 causes), Chronic concentration difficulty with headache-like symptoms (5 causes), Chronic difficulty concentrating at work (9 causes), Chronic difficulty concentrating for long periods (8 causes), Chronic episodic concentration difficulty (8 causes), Chronic feeling of having difficulty concentrating (11 causes), Chronic forgetfulness (14 causes), Chronic intermittent forgetfulness (9 causes), Chronic seasonal concentration difficulty (5 causes), Cognitive aura (9 causes), Cognitive problems in children (38 causes), Compulsions (7 causes), Compulsions in children (4 causes), Concentration difficulty (365 causes), Concentration difficulty in adults (38 causes), Confusion (780 causes), Confusion in children (28 causes), Confusion leading to stupor (42 causes), Constant deterioration of mental acuity (28 causes), Decreased mental acuity (38 causes), Déjà vu (5 causes), Jaimas vu, Jamais vu (4 causes), Dementia (394 causes), Dementia due to HIV disease (4 causes), Difficulty concentrating at school (16 causes), Difficulty concentrating at work (43 causes), Difficulty concentrating for long periods (12 causes), Difficulty concentrating in adults (33 causes), Difficulty concentrating in children (23 causes), Difficulty concentrating in teens (23 causes), Difficulty concentrating in toddlers (9 causes), Difficulty focusing (1 cause), Chronic fatigue syndrome (3 causes), Disorientation (199 causes), Episodic concentration difficulty (10 causes), Episodic difficulty concentrating (11 causes), Adhd (4 causes), Familiarity with unfamiliar events or environments (4 causes), Feeling of having difficulty concentrating (12 causes), Flashback (6 causes), Forgetfulness (342 causes), Forgetfulness in pregnancy (14 causes), Hallucinations (288 causes), Hygiene symptoms (18 causes), Impaired concentration (44 causes), Impulsive behavior at kindergarten (9 causes), Impulsive behavior at school (10 causes), Impulsive behavior at work (10 causes), Impulsive behavior in adults (12 causes), Impulsive behavior in children (11 causes), Impulsive behavior in teens (11 causes), Impulsive behavior in toddlers (7 causes), Impulsivity (39 causes), Impulsivity in adults (12 causes), Impulsivity in children (11 causes), Inability to concentrate (30 causes), Inability to think coherently (28 causes), Inability to think quickly (28 causes), Indecision at school (7 causes), Indecision at work (7 causes), Indecision in adults (14 causes), Indecision in children (13 causes), Indecision in teens (9 causes), Indecision in toddlers (6 causes), Intellectual decline (38 causes), Intermittent Alzheimers-like concentration difficulty (7 causes), Intermittent Alzheimers-like confusion symptoms (13 causes), Intermittent Alzheimers-like memory loss (4 causes), Intermittent chronic forgetfulness (10 causes), Intermittent concentration difficulty in adults (5 causes), Intermittent concentration difficulty with headache-like symptoms (3 causes), Intermittent confusion (17 causes), Intermittent difficulty concentrating at work (6 causes), Intermittent difficulty concentrating for long periods (6 causes), Intermittent episodic concentration difficulty (5 causes), Intermittent feeling of having difficulty concentrating (4 causes), Intermittent forgetfulness (8 causes), Intermittent impulsivity in adults (5 causes), Intermittent intermittent forgetfulness (8 causes), Intermittent seasonal concentration difficulty (5 causes), Irreversible confusion (8 causes), Language problems (122 causes), Learning disabilities (435 causes), Learning disability (397 causes), Loss of memory (51 causes), Low performance I Q (13 causes), Low verbal I Q (13 causes), Memory disturbances (16 causes), Memory Disturbances in pregnancy (14 causes), Memory loss (142 causes), Memory loss in children (13 causes), Memory loss in pregnancy (14 causes), Memory symptoms (523 causes), Memory symptoms in pregnancy (14 causes), Mental changes in pregnancy (17 causes), Mental deterioration in children (24 causes), Mental dullness (6 causes), Mental problems (3121 causes), Mental problems in pregnancy (17 causes), Mental retardation (2098 causes), Mental sluggishness (28 causes), Mild Alzheimers-like concentration difficulty (6 causes), Mild Alzheimers-like confusion symptoms (10 causes), Mild Alzheimers-like memory loss (4 causes), Mild chronic forgetfulness (5 causes), Mild concentration difficulty in adults (4 causes), Mild concentration difficulty with headache-like symptoms (4 causes), Mild difficulty concentrating at work (5 causes), Mild difficulty concentrating for long periods (4 causes), Mild episodic concentration difficulty (3 causes), Mild feeling of having difficulty concentrating (4 causes), Mild impulsivity in adults (5 causes), Mild intermittent forgetfulness (4 causes), Mild seasonal concentration difficulty (6 causes), Mild temporary amnesia (8 causes), Motormental retardation in children (32 causes), Paranoia (115 causes), Poor concentration in adults (26 causes), Poor concentration in children (14 causes), Poor concentration in teens (21 causes), Poor concentration in toddlers (8 causes), Poor memory (25 causes), Progressive confusion (49 causes), Progressive confusion in pregnancy (19 causes), Progressive dementia (65 causes), Multiinfarct dementia (8 causes), Psychogenic stress (1 cause), Racing thoughts (2 causes), Reading symptoms (73 causes), Recurring Alzheimers-like concentration difficulty (11 causes), Recurring Alzheimers-like confusion symptoms (13 causes), Recurring Alzheimers-like memory loss (5 causes), Recurring chronic forgetfulness (9 causes), Recurring concentration difficulty in adults (6 causes), Recurring concentration difficulty with headache-like symptoms (9 causes), Recurring difficulty concentrating (10 causes), Recurring difficulty concentrating at work (7 causes), Recurring difficulty concentrating for long periods (8 causes), Recurring episodic concentration difficulty (7 causes), Recurring feeling of having difficulty concentrating (8 causes), Recurring impulsivity in adults (7 causes), Recurring intermittent forgetfulness (5 causes), Recurring seasonal concentration difficulty (5 causes), Reduced alertness (12 causes), Reduced concentration in children (21 causes), Reduced judgement (13 causes), Seasonal concentration difficulty (10 causes), Secrecy (18 causes), Severe Alzheimers-like concentration difficulty (12 causes), Severe Alzheimers-like confusion symptoms (22 causes), Severe Alzheimers-like memory loss (8 causes), Severe chronic forgetfulness (13 causes), Severe concentration difficulty in adults (11 causes), Severe concentration difficulty with headache-like symptoms (13 causes), Severe confusion (42 causes), Severe difficulty concentrating (28 causes), Severe difficulty concentrating at work (13 causes), Severe difficulty concentrating for long periods (12 causes), Severe episodic concentration difficulty (10 causes), Severe feeling of having difficulty concentrating (12 causes), Severe impulsivity in adults (12 causes), Severe intermittent forgetfulness (5 causes), Severe paranoid reaction (5 causes), Severe seasonal concentration difficulty (10 causes), Short-term memory loss (22 causes), Slight confusion (42 causes), Slowed intellectual activity (28 causes), Slowed mental response (30 causes), Slowly resolving confusion (16 causes), Special abilities (24 causes), Stress in children (7 causes), Sudden onset of memory loss in the elderly (6 causes), Sudden onset of mental impairment (17 causes), Temporary confusion (34 causes), Temporary memory loss (13 causes), Thought of injuring one self (22 causes), Thought of one's death (22 causes), Unable to respond logically (14 causes), Unable to respond logically as in case of Alzheimer's disease (13 causes), Unfamiliarity with a known event (3 causes), Low concentration ability (21 causes), Dejavu (6 causes), Disoriented state (22 causes), Sudden onset of slowed intellectual activity (13 causes), Gradual onset of slowed intellectual activity (7 causes), Mental depreciation (13 causes), Sudden loss of the ability to comprehend speech (12 causes), Sudden onset of disorientation (14 causes), Hearing voices (7 causes), Auditory hallucinations (48 causes), Memory problems (95 causes), Unresponsiveness (44 causes), writing symptoms (35 causes), Mild episodes of Alzheimers-like symptoms (4 causes), Drug abuse (36 causes), alcohol intoxication (11 causes), Social problems (126 causes), Social withdrawal (52 causes), Intermittent Alzheimers-like symptoms (4 causes), Delirium tremens (2 causes), Alzheimer's-like symptoms (32 causes), Impatience (12 causes), alcohol abuse (13 causes), Mild Alzheimers-like symptoms (4 causes), Regression (32 causes), Level of consciousness, decreased (11 causes), laxative abuse (4 causes), Alzheimer's disease (2 causes), Transient delirium (48 causes), Fetal Alcohol Syndrome (4 causes), Psychogenic pain (35 causes), Recurring episodes of Alzheimers-like symptoms (7 causes), school problems (520 causes), Brain disturbance (45 causes), Intermittent delirium (21 causes), Acute episodes of Alzheimers-like symptoms (10 causes), Severe episodes of Alzheimers-like symptoms (10 causes), delirium (381 causes), Phobic disorder (6 causes), Chronic episodes of Alzheimers-like symptoms (7 causes), Alcohol use (19 causes), Addiction symptoms (42 causes), Recurring Alzheimers-like symptoms (6 causes), Delusions (176 causes), Delirium in children (46 causes), Sudden onset of confusion in children (18 causes), Acute Alzheimers-like symptoms (8 causes), Severe Alzheimers-like symptoms (8 causes), Chronic Alzheimers-like symptoms (5 causes), Intermittent episodes of Alzheimers-like symptoms (4 causes), Psychotic Behaviour (92 causes), Inattention (45 causes), Episodes of Alzheimers-like symptoms (8 causes), Confusion symptoms (643 causes), Depersonalisation (9 causes)

    Medical Conditions associated with Cognitive impairment:

    Mental problems (3121 causes), Behavioral symptoms (4608 causes), Personality symptoms (4029 causes)

    Symptoms related to Cognitive impairment:

    Mental symptoms (3121 causes), Concentration difficulty (365 causes), Memory symptoms (523 causes), Forgetfulness (342 causes), Delirium (381 causes), Delusions (176 causes), Learning disabilities (435 causes), Mental retardation (2098 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 Cognitive impairment

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

    Evidence Based Medicine Research for Cognitive impairment

    Medical research papers related to Cognitive impairment include:

    Research More Evidence-Based Medicine at

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