What causes stupor? 15 possible conditions

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Definition

Stupor is an alteration of consciousness marked by decreased responsiveness to environmental stimuli and absence of spontaneous movement.

Alternative Names

Obtundation, obtunded, stupors, stuporous.

Synopsis

Stupor is a state of impaired consciousness in which it is difficult to arouse a person even with vigorous, noxious stimulation. The state of obtundation resembles a deep sleep from which the person can only be awakened for brief periods by shaking, shouting or pinching. Any alteration of consciousness is considered a medical emergency and immediate medical evaluation and treatment should be provided.

Stupor can be caused by trauma, narcotics, adverse changes within the brain such as a stroke, carbon monoxide poisoning – prompt medical attention is crucial to prevent brain damage and death.

Associated Diagnoses

  • Acetaminophen overdose
  • Diabetic ketoacidosis
  • Epilepsy
  • Alcohol related disorders
  • Head injury
  • Hemorrhagic shock
  • Hyperparathyroidism
  • Concussion
  • Delirium
  • West Nile Virus
  • Narcotic overdose
  • Hypoxia
  • Hyperglycemia
  • Uremia
  • Hyperammonemia
  • Sedative overdose
  • Anti-convulsant overdose
  • Psychotropic drug overdose
  • Thyrotoxicosis
  • Addison’s disease
  • Cushing’s disease
  • Heat stroke
  • Hypothermia
  • Acidosis
  • Alkalosis
  • Meningitis
  • Encephalopathy
  • Encephalitis
  • Subarachnoid hemorrhage (SAH)
  • Tumors
  • Cerebral aneurysm
  • Basilar migraine

Diagnosis and Treatment

Stupor is a medical emergency requiring immediate medical investigation to determine the diagnosis and appropriate treatment.

Call 911

If you are unable to arouse a person with a decreased level of consciousness.

Read More

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

1

Head Injury

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

A head injury could be an injury to the brain, skull, or scalp. It can vary in severity depending on the cause. In some cases face swelling can be a sign of a head injury.

Read more »

2

Epilepsy Overview

The types of epilepsy include Juvenile Myoclonic, Benign Rolandic, Reflex, West Syndrome, Lennox-Gastaut Syndrome, Landau-Kleffner and Rasmussen's Encephalitis Epilepsy.

Read more »

3

Hypovolemic Shock

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

Hypovolemic shock is a life-threatening condition that results when you lose more than 20 percent (one-fifth) of your body's blood or fluid supply. This severe fluid loss makes it impossible for the heart to pum...

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4

Schizophrenia Overview

Schizophrenia is the common term for a group of serious psychiatric conditions called the schizophrenic disorders, which are generally characterized by hallucinations and delusions. Auditory hallucinations (hearin...

Read more »

5

Hyperparathyroidism

In hyperparathyroidism, the parathyroid glands make too much of their hormone. It affects a number of body systems and can cause skin changes, including brittle nails and itching.

Read more »

6

AIDS

HIV causes progressive failure of the immune system, making the body far more susceptible to infections and cancer.

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7

Diabetic Ketoacidosis

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

Diabetic ketoacidosis (DKA) is a serious complication that stems from diabetes. If you don't have enough insulin to help your body process sugars (glucose), your body will start burning fat to fuel itself. As a result...

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8

Tuberculosis

Tuberculosis (TB) is a highly infectious disease that primarily affects the lungs. A severe and long-lasting cough, fever, and night sweats could indicate an active TB infection.

Read more »

9

Acetaminophen Overdose

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

Acetaminophen is a pain reliever found in over-the-counter medications such as Tylenol and in prescription medications. Overuse of this ingredient can lead to liver damage, and an overdose can be fatal.

Read more »

10

Aftershave Poisoning

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

Most aftershaves contain the poisonous ingredients. If swallowed, it can produce harmful effects. Symptoms include muscle cramping, nausea, abdominal pain, headache, and dizziness.

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11

Isopropyl Alcohol Poisoning

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

Isopropyl alcohol (IPA) poisoning occurs when the liver is no longer able to manage the amount of IPA in the body. Ingestion may be accidental or deliberate. IPA is inexpensive and causes rapid intoxication. It can b...

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12

Acetone Poisoning

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

Acetone poisoning occurs when the amount of acetone in the body is more than what the liver is able to break down. Acetone is a clear liquid that smells like nail polish remover. When exposed to the air, it quickl...

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13

Reye's Syndrome

Reye's syndrome is a rare but serious condition that strikes without warning. It most often affects children ages 4 to 12 whoare recovering from a viral infection.The National Reye's Syndrome Foundation (NRSF) note...

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14

Typhus

Typhus fevers are caused by the rickettsiae bacteria and transmitted by arthropod (e.g. flea, mite, tick) bites. When arthropods bite a victim, they leave the rickettsaie bacteria behind. Scratching the bite opens th...

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15

West Nile Virus Infection (West Nile Fever)

A mosquito bite can turn into something much more severe if you are infected with West Nile virus. Mosquitoes transmit this virus after they bite an infected bird and then bite a person. While not all people wit...

Read more »

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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