society and community | May 18, 2026

What drugs cause blackouts?

Benzodiazepines (such as flunitrazepam, midazolam, and temazepam), barbiturates (such as phenobarbital), and other drugs which also act as GABAA agonists, are known to cause blackouts as a result of high dose use.

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Simply so, what can cause a person to blackout?

The most common cause of blacking out is fainting. Other causes include epileptic seizures, syncope due to anxiety (psychogenic pseudosyncope) and other rare causes of faints. Other causes of blacking out may be due to low blood sugar (hypoglycaemia) and lack of oxygen (hypoxia) from a variety of causes.

Secondly, does Xanax make you blackout? Some drugs, including benzodiazepines ranging from Xanax and Klonopin to Rohypnol, can lead to blackouts. However, with a prescription drug like Xanax, the experience of blacking out is not colloquially called a blackout. Instead, it is called anterograde amnesia.

Herein, can you be awake and have a blackout?

A person experiencing a blackout is awake and functioning during the time they are having a blackout, but is unable to partially or fully recall events later, when sober. During a blackout you are awake and functioning, but later you can't remember what you did. "Graying Out" can also occur when drinking.

What medication mixed with alcohol causes blackouts?

Benzodiazepines, which include drugs like diazepam (Valium) and lorazepam (Ativan), are especially scary, because they can cause blackouts and/or amnesia with just a small amount of alcohol.

Related Question Answers

What is the difference between fainting and passing out?

Fainting happens when you lose consciousness for a short amount of time because your brain isn't getting enough oxygen. The medical term for fainting is syncope, but it's more commonly known as “passing out.” A fainting spell generally lasts from a few seconds to a few minutes.

Can stress and anxiety cause blackouts?

A psychogenic blackout can be difficult to diagnose. Most often it occurs in young adults as a result of stress or anxiety. However, the link between blackouts and stress may not be obvious. In most cases a psychogenic blackout is an involuntary reaction of the brain to pressure or distress.

Can high blood pressure cause a blackout?

If you take certain high blood pressure drugs, which act on your blood vessels, you may be more likely to suffer from fainting. If you are dehydrated, which may affect the amount of blood in your body and, thus, your blood pressure, you may be more likely to faint.

Are blackouts serious?

Blackouts don't cause any long-term damage. While blackouts don't directly cause harm by themselves, drinking to the extent that you black out can have serious consequences.

How do I stop blacking out?

Blackout Prevention
  1. Eat a meal or appetizers before drinking alcohol.
  2. Drink a glass of water between alcoholic beverages to limit the amount and rate of alcohol consumption.
  3. Drink slowly.
  4. Avoid “binge drinking.” Bingeing is defined as having 5 or more drinks in 2 hours for men and 4 or more drinks in 2 hours for women.

How long do blackouts last?

Most power outages will be over almost as soon as they begin, but some can last much longer – up to days or even weeks. Power outages are often caused by freezing rain, sleet storms and/or high winds which damage power lines and equipment.

What happens during a blackout?

A blackout occurs when alcohol causes a disruption in the link between your long-term and short-term memory. During a partial disruption, you may remember events by a verbal or visual clue, as opposed to a total blackout where you have no idea what happened. During a blackout, the memory loss is permanent.

What is the most common reason for fainting?

Heart rhythm changes are the most common causes of passing out, fainting, or syncope. Frequently, fainting episodes are caused by a temporary change in normal body function.

What causes blackouts and dizziness?

Common causes of dizziness include a migraine, medications, and alcohol. It can also be caused by a problem in the inner ear, where balance is regulated. Dizziness is often a result of vertigo as well. The most common cause of vertigo and vertigo-related dizziness is benign positional vertigo (BPV).

What mental illness causes blackouts?

Borderline Personality Disorder And Alcohol Blackouts. A dual diagnosis is defined as a mental disorder that occurs at the same time as a substance use disorder. In cases of borderline personality disorder, blackout drinking may result when a person intends to do harm upon his or herself.

Does blacking out mean you're an alcoholic?

What does it mean to Blackout? A blackout involves memory loss due to alcohol or drug abuse. It is most common with drinking too much alcohol. Blacking out from drinking is specifically associated with binge drinking; typically, the condition is induced when a person's blood alcohol content (BAC) reaches 0.15.

Can you drive if you have blackouts?

If you experience blackouts or fainting they should be treated as a medical emergency until you know the cause. If you have had a blackout-related crash you must have not had a blackout for five years, whether on medication or not, before you are considered fit to drive again.

What causes sudden loss of consciousness?

A person may become temporarily unconscious, or faint, when sudden changes occur within the body. Common causes of temporary unconsciousness include: low blood sugar. neurologic syncope, or the loss of consciousness caused by a seizure, stroke, or transient ischemic attack (TIA)

What to do if someone is blackout drunk?

It's also reasonable to call 911 if the person is acting aggressively, because they mixed alcohol with a drug, Dr. Halpern says. Or if the person has had a fall or significant injury (such as falling off the back of a barstool and hitting their head), then you should seek medical attention, she advises.

What does it mean when you blackout?

Blackouts are periods of unconsciousness or memory loss. Blackouts may occur as a result of brain damage, drug side effects, excessive alcohol consumption, or disorders affecting brain function, such as epilepsy. Fainting, also known as syncope, is a term used to refer to a blackout.

Why do Xanax make you blackout?

So, when you take a drug like Xanax, the switch (or receptor) is flicked on to full power. GABA-A receptors are concentrated in an area of the brain known as the hippocampus, which is important for memory, and is believed to be the reason why these drugs can cause blackouts.

Why do people black out on Xanax?

Taking Xanax with alcohol increases your risk of blacking out. People who black out are conscious, but their brain stops forming memories. During black outs caused by alcohol, people usually make poor decisions because they're drunk. Then they don't remember what they did the next day.

Why do people take Xanax?

Xanax is a member of the benzodiazepine family of drugs and is primarily used to treat anxiety and panic disorders. Xanax works by increasing the amount of the neurotransmitter GABA in the brain to promote calmness and a relaxed feeling. When taken correctly, Xanax is a safe and effective medication.

Does Xanax give you energy?

Unlike drugs that increase alertness or energy, Xanax makes the user extremely calm. In some cases, Xanax can cause a sharp increase in happiness because it allows a flood of dopamine in the brain. People who use the drug to achieve a Xanax high risk dependency, addiction and potentially lethal side effects.