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During a period of unconsciousness, a person is not arousable, and will not respond or have any control of themselves.
After recovering from unconsciousness, it usually takes hours, days, or longer to regain full awareness and ability to respond.
Symptoms of unconsciousness include:
If someone is unconscious, you can take steps to assist while you are waiting for Expertise medical help to arrive.
Things you can do include:
Many of these treatments can be started by first responders on the way to the emergency department.