Title: Blackouts: What Causes a Blackout?
Headings: What Causes Blackouts?
What Causes Blackouts?
What Is a Blackout?
What Causes Blackouts?
How Does Alcohol Cause Blackouts?
Who’s at Risk for Alcohol-Related Blackouts?
Is It Dangerous to Black Out?
What Else Causes Blackouts?
What To Do If You’re Blacking Out

Content: If you drive a car, for instance, you not only put your own life at risk but the lives of those around you. The same is true for becoming involved in illegal or risky activities. You don’t have to have a drinking problem to black out. But, blackouts may indicate an alcohol use disorder. If you or someone you know blacks out often while drinking, get help. What Else Causes Blackouts? Sometimes, seizures cause a loss of consciousness described as a blackout. More often, people faint when there’s too little blood flow to the brain. Several things can reduce blood flow and cause you to pass out, including: Certain prescription medications
Low blood pressure
Giving blood
Standing too long, especially in a warm or crowded room
Dehydration
Intense fear or stress
Diabetes
Heart problems, including abnormal heart rhythm
What To Do If You’re Blacking Out
Frequent alcohol-related blackouts can be a sign of a serious drinking problem.