What is the Difference Between Blacking Out and Passing Out?

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The main difference between blacking out and passing out lies in the level of consciousness and memory formation. Here are the key distinctions:

  • Blacking out:
  • Refers to a loss of memory, not being able to remember what happened due to alcohol intoxication.
  • The brain is still awake but not creating new memories.
  • May last from a few hours to several days.
  • Occurs when blood alcohol levels reach about 0.16%.
  • Blackouts are not always a sign of alcohol abuse, but they can be.
  • Passing out:
  • Refers to losing consciousness and not being able to be awakened.
  • Occurs when someone drinks excessive amounts of alcohol.
  • Losing consciousness means that the person has reached a very dangerous level of intoxication.
  • If someone has passed out, seeking immediate medical attention is advised.

In summary, blacking out is characterized by a temporary loss of memory due to alcohol intoxication, while passing out is characterized by a loss of consciousness, which is a more dangerous situation that may require medical attention.

Comparative Table: Blacking Out vs Passing Out

Here is a table comparing the differences between blacking out and passing out:

Feature Blacking Out Passing Out
Memory Loss Loss of memory, cannot remember what happened during the event No memory loss, but unconscious and unable to be awakened
Consciousness Maintains consciousness, able to walk and talk Loses consciousness, falls to the floor or furniture
Causes Heavy alcohol consumption, epileptic seizures, fainting, low blood pressure, psychogenic seizures, low blood sugar, certain medications, oxygen restriction Sudden drop in blood pressure due to certain medications, high calcium channel blockers, angiotensin-converting enzyme (ACE) inhibitors
Treatment Manage alcohol intake, drink slowly, stay hydrated, eat while drinking, avoid binge drinking Depends on the underlying cause, may require medical attention
Seriousness Can be caused by alcohol or more serious health conditions Can be life-threatening, depending on the cause