I was a blackout drinker. It is terrifying to wake up and not know where you are. What a demoralizing experience. However, I am grateful for some of my memory lapses, because there are some things I am better off not knowing. For a long time I thought only alcoholics blacked out. That is not true. My husband thought that everyone who drank blacked out, and it was just a normal part of “partying”. Of course, that is not true either.

What is a blackout?

A blackout is an alcohol induced memory loss. Blackouts occur when alcohol blocks neurotransmitters that send memories from short-term memory to long-term memory. This is different from passing out, or drinking to the point of becoming unconscious.  When a person is in a blackout they are functioning as normally as another intoxicated person would be functioning. They are able to have conversations and act in ways that do not indicate that they are experiencing a blackout.

Click here for an informative publication on alcohol's effect on the brain.
Click here for an informative publication on alcohol’s effect on the brain.

Blackouts are not identified until the next day, when the person realizes that they are missing part of his/her night. The memory loss can be a few minutes to a few hours, or longer.

How does a blackout work?

Blackouts happen when a person’s blood alcohol level (B.A.L.) goes over a certain level. It is different for everybody but it is more likely to happen when a person has a blood alcohol level of over a .15. Remember, in the United States, a .08 is the legal limit. Generally, a .15 would be considered quite intoxicated. (side note: if you drink abusively, than you might have a much higher tolerance). Blood alcohol levels increase as a person drinks. The more alcohol the person consumes, the higher the level. The body can process about one drink per hour, so any additional beyond that will start to add up. At a .15, a person may feel pretty drunk, or maybe not so drunk, depending on their tolerance. This also depends on what they have eaten, how fast they are drinking, what they are drinking, even if they are tired or sick, male or female.
A person is more likely to have a blackout if they drink fast, achieving a high blood alcohol level quickly.

If nothing bad happens during a blackout, is it still a problem?

Yes, the obvious problem is that the person can’t remember what they did. If the blood alcohol level was high enough to cause a blackout, it was also high enough to impair other things, like judgment (should I go home with this stranger? Should I drive my car? Should I experiment with drugs?). This is not the best time to be making important decisions.

A blackout is a warning sign from the body that the person had too much to drink. It also makes it difficult for the person to know what went wrong. “How much did I drink?” “Did I get robbed, or was I in danger?” “Was I taken advantage of?”

Do most people get blackouts?

In actuality, about 50% of people get blackouts. It is not limited to alcoholics. It’s true that many people with alcoholism have blackouts frequently. But people can get blackouts who don’t have alcoholism.

Drug Brain
Article – Blackouts are not a joke

Blackouts are a result of how much a person drinks in one night or setting. People who get blackouts frequently will often drink a lot and have a higher tolerance. Some people don’t get blackouts until they have a B.A.L. of a .2 or higher. Remember, people have died with a B.A.L. of a .3 or higher. It can be a very dangerous consequence of drinking.

How can I prevent getting a blackout?

The key is to drink less alcohol and drink slowly. If you are an alcoholic you will not be able to control your drinking, so your only option, is to not drink at all. If you can’t stop drinking, join the club, I couldn’t stop on my own either. Gather your courage, put your ego aside and ask for some help.
Our 800RecoveryHub site offers free and confidential help

3 thoughts on “Blackouts

  1. Ugh……I was up to two fifths of vodka a day when I quit in 1995. Only in the last six months did I start to black out. People in AA think I’m lying when I talk about this, but believe it or not, I seemed to know when I was in one and would forget once past it. I could see the storm coming and I would start taking notes; I’m not kidding. I’d get up after finally passing out and look at what I’d written. Always a surprise……Crud! I gotta work tonight? Must have spoken with my boss. These episodes were frightening, no doubt. Certifiable behavior? Absolutely. My question is, are there any studies that would indicate once the catalyst of the blackout is removed, the weakness may remain and re-assert itself without it? Is there a chance that as I age my memory will deteriorate faster that it should because of past abuse? Information may help others here as well. Thank you for your post.

    With Love and Compassion, Daniel Andrew Lockwood

    Liked by 1 person

    1. Daniel, you are my kind of drinker. I was chugging vodka, straight out of the bottle, my last few months drinking. My last “drunk” was also in 1995. When researching blackouts, I found this article helpful.
      Also, here is a detailed publication on alcohols effects on the body (it’s not hard to read).
      Much of the damage that we did while drinking can be repaired. However, after a certain point, it’s too late to fix the brain damage. This is what us non-doctors (me) call wet brain. I had serious memory gaps during my first month of sobriety. I hope I stopped in time. Thanks for sharing your experiences with me.

      Liked by 1 person

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