Stupor Health Article

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.