Alteration in consciousness, Memory loss: 13 Possible Causes
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What causes alteration in consciousness and memory loss? 13 possible conditions

See a list of possible causes in order from the most common to the least.

1

Low Blood Sugar (Hypoglycemia)

This condition is considered a medical emergency. Urgent care may be required.

Hypoglycemia, or low blood sugar, is a potentially dangerous condition that's most common in people with diabetes. Learn what causes it and how to prevent it.

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2

Parkinson's Disease

Parkinson's disease (PD) is a progressive neurological disorder. It first presents with problems of movement. Smooth and coordinated muscle movements of the body are made possible by a substance in the brain calle...

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3

Seizures

This condition is considered a medical emergency. Urgent care may be required.

Seizures are changes in the brain's electrical activity. This change can cause dramatic, noticeable symptoms or it may not cause any symptoms. The symptoms of a severe seizure include violent shaking and a loss o...

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4

Vertebrobasilar Circulatory Disorders

This condition is considered a medical emergency. Urgent care may be required.

Vertebrobasilar circulatory disorders are a group of diseases in which not enough blood is supplied to the back of the brain. Read about the symptoms.

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5

Organic Brain Syndrome

Learn about the symptoms, causes, risk factors, and treatment for neurocognitive disorders (formerly called organic brain syndrome).

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6

Neurofibromatosis 2 (NF2)

Neurofibromatosis 2 (NF2) is a disorder that causes tumors to form on nerves in the brain and spinal cord. Learn about symptoms, diagnosis, and treatment.

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7

Neuroblastoma

Neuroblastoma is a rare cancer that affects the sympathetic nervous system, usually in young children. Learn about the symptoms and treatment options.

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8

Delirium

This condition is considered a medical emergency. Urgent care may be required.

Delirium is an abrupt change in the brain that causes mental confusion and emotional disruption. It makes it difficult to think, remember, sleep, pay attention, and more. You might experience the condition durin...

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9

Epilepsy Overview

Epilepsy is a neurological condition caused by malfunctioning brain cells that result in seizures. There is no cure for this disorder but episodes can become less frequent.

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10

Partial Seizures

The human brain works by sending electrical signals through neurons, which are nerve cells. A seizure occurs when there's a surge in this electrical activity.

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11

Wernicke-Korsakoff Syndrome

Wernicke-Korsakoff syndrome is a brain disorder caused by a lack of vitamin B-1. The syndrome is two separate conditions that can occur at the same time.

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12

Tay-Sachs Disease

Tay-Sachs disease is a neurodegenerative disorder most commonly found in infants. Learn more about this rare disease.

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13

Encephalopathy

Encephalopathy is a general term describing a disease that affects the function or structure of your brain. There are many types of encephalopathy and brain disease. Some types are permanent and some are temporary. Som...

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This feature is for informational purposes only and should not be used to diagnose.
Please consult a healthcare professional if you have health concerns.
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