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Disturbance of consciousness characterized by inability to engage in orderly thought or by lack of power to choose, distinguish, or act decisively.
Medical terms related to confusion :
Disorientation, Blurred Thinking, Cloudy Thoughts, Confused, Disoriented, Fuzziness Thinking, Inability to Think Clearly, Inability to Think Quickly, Loss of Memory, Loss of Orientation, Memory Loss, Mental Confusion, Mental Status Change, Unclear Thinking
Common causes of confusion: 
o Sleep Deprivation
o Alcohol Intoxication
o Fatigue
o Head Injury
o Fever
o Alzheimer's Disease
o Anxiety
o Brain Concussion
o Dehydration
o Dementia
o Depression
o Drug Abuse
o Epilepsy (Seizure Disorder)
o Heat Stroke
o Hypoglycemia (Abnormal decrease of sugar in the blood)
o Hypothyroidism
o Kidney Failure
o Schizophrenia
o Stroke
o Psychotic Disorders
o Toxins
o Hospitalization (particularly in the elderly)

Other Causes of confusion:
o Encephalitis and Meningitis
o Brain Tumor (Cancer)
o Carbon Monoxide Exposure
An usually acute mental disturbance marked by confusion, disordered speech, and hallucinations.
o Electrolyte Imbalances
o Hypothermia
Deficiency of oxygen reaching the tissues of the body, as at high altitude.
Korsakoff syndrome:
A memory disorder that is caused by a deficiency of vitamin B1, thiamine.Korsakoff syndrome is common in alcoholics.
o Liver Failure
o Nutritional Deficiencies
Transient ischemic attack (TIA):
A brief episode of cerebral ischemia that is usually characterized by temporary blurring of vision, slurring of speech, numbness, paralysis, or syncope; called also Mini-stroke.
o Wernicke's Encephalopathy

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Diagnosis of confusion, Reasons of confusion, Prevention of confusion, Definition of confusion, Treatments for confusion

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