Skip navigation

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Results 1 - 10 of 17 for Loss of consciousness
  1. Fainting (National Library of Medicine)  
    Fainting is a temporary loss of consciousness. If you're about to faint, you'll feel dizzy, lightheaded, or nauseous. Your field of vision may "white out" ...
  2. Coma (National Library of Medicine)  
    A coma is a deep state of unconsciousness. An individual in a coma is alive but unable to move or respond to his or her environment. Coma may occur as a ...
  3. First Aid (National Library of Medicine)  
    Accidents happen. Someone chokes on an ice cube or gets stung by a bee. It is important to know when to call 911 -- it is for life-threatening emergencies. While ...
  4. Traumatic Brain Injury (National Library of Medicine)  
    ... symptoms of mild TBI can include: A brief loss of consciousness in some cases. However, many people with mild TBI remain conscious after the ... of coordination Increased confusion, restlessness, or agitation How ...
  5. Reye Syndrome (National Library of Medicine)  
    ... such as irritability, combativeness or confusion Delirium Convulsions Loss of consciousness If these symptoms occur soon after a viral ...
  6. Arteriovenous Malformations (National Library of Medicine)  
    ... weakness Problems with movement and speech Confusion Dizziness Loss of consciousness How are arteriovenous malformations (AVMs) diagnosed? To find ...
  7. Brain Aneurysm (National Library of Medicine)  
    ... sudden, severe headache, nausea and vomiting, stiff neck, loss of consciousness, and signs of a stroke. Any of these ...
  8. Concussion (National Library of Medicine)  
    ... coordination Repeated vomiting or nausea Confusion Slurred speech Loss of consciousness To diagnose a concussion, your health care provider ...
  9. Food Allergy (National Library of Medicine)  
    ... lowering of blood pressure and shock ("anaphylactic shock") Loss of consciousness This is a medical emergency. Call 911 if ...
  10. Headache (National Library of Medicine)  
    ... headache along with a stiff neck, fever, confusion, loss of consciousness, or pain in the eye or ear. NIH: ...
previous · 1 · 2 · next