Alcohol poisoning occurs when alcohol levels become dangerously high and begin shutting down vital body functions. It is what happens when you drink alcohol more quickly than your system can process it.

Alcohol poisoning is a medical emergency that requires immediate medical attention. It is also known as an alcohol overdose and is more serious than simply being drunk or intoxicated. Alcohol poisoning can lead to serious and lasting harm and can even prove fatal.

This means that recognising the potential signs of alcohol poisoning is very important, as prompt medical intervention can save lives.

 

What Causes Alcohol Poisoning?

Drinking Too Much Too Quickly

Alcohol poisoning occurs when the system cannot process alcohol quickly enough, typically because it is overwhelmed during a binge-drinking session.

When you drink, the alcohol is processed or metabolised, primarily by the liver. If you drink too much too quickly, the alcohol cannot be dealt with, and your blood alcohol content will continue to rise. Alcohol poisoning occurs when there is so much alcohol in the bloodstream that areas of the brain controlling vital functions such as breathing, heart rate and temperature control begin to shut down.

It’s also worth noting that blood alcohol concentration can continue to rise even after a person stops drinking or is unconscious. This is because alcohol already in the stomach and intestine continues to enter the bloodstream and circulate throughout the body.

Factors That Increase Risk

While anyone who drinks quickly or heavily may experience alcohol poisoning, there are some additional factors that can increase the risk. These can include:

  • Body size
  • Biological sex
  • Age
  • Drinking on an empty stomach
  • Strength or concentration of alcohol used
  • Existing health conditions
  • Low alcohol tolerance

Mixing alcohol with other drugs or medications can also increase the risks of overdose and potential harmful effects, as this can increase the effect of one or both of the substances or lead to other side effects.

Mixing alcohol with other depressants such as opioids, benzodiazepines and sedative or tranquilising medications can be particularly dangerous, as this can slow breathing and heart rate to dangerous levels.

Drinking alcohol in a heatwave or hot conditions like a packed club can also increase the risk of alcohol poisoning. This is because the concentration of alcohol can increase as you sweat more and your cells contain less fluid.

 

Signs and Symptoms of Alcohol Poisoning

Alcohol poisoning symptoms can vary, but if you or anyone else experiences any of the following, it may be a sign of alcohol overdose:

  • Confusion
  • Slurred speech or inability to speak
  • Seriously impaired coordination, such as inability to walk or stand
  • Nausea or repeated vomiting
  • Slow or irregular breathing
  • Blue or pale skin
  • Seizures
  • Unconsciousness
  • Inability to respond
  • Hypothermia (reduced body temperature)

These symptoms will typically worsen as blood alcohol concentration rises.

However, it’s important to remember that someone does not need to display every symptom listed above before emergency help is required.

 

What Should You Do If Someone Has Alcohol Poisoning?

St. John Ambulance says that if you suspect someone has alcohol poisoning, you should:

  • Cover them with a coat or blanket to keep them warm
  • Check them for injuries, especially head injuries
  • Place them in the recovery position
  • Call 999 or 112 for emergency help

It is also important to know what NOT to do if you believe someone may be experiencing alcohol poisoning.

The NHS says that you should not:

  • Leave them alone
  • Let them drink more alcohol
  • Offer them food or drinks with caffeine, including coffee
  • Put them in a cold shower or bath
  • Try to make them sick

 

How Is Alcohol Poisoning Treated?

Alcohol poisoning treatment is typically treated in a hospital and can involve a number of different steps.

The patient will be monitored closely, with particular attention paid to maintaining a clear airway to prevent the possibility of them choking on their own vomit. They will also be monitored for potential complications such as liver or heart failure, which will be treated as they arrive.

Blood glucose levels will be measured, and fluids may be given if needed using an intravenous drip. Patients may also be given help with their breathing if needed.

The levels and types of treatment required can vary depending on the severity of the alcohol poisoning and any complications that may occur.

 

Can You Recover From Alcohol Poisoning?

Yes, you can recover from alcohol poisoning. Many people recover fully with no lasting damage, but the key to this can be prompt medical treatment. The speed with which treatment is obtained can significantly improve outcomes. Left untreated, alcohol poisoning can cause lasting damage and may even prove fatal.

 

Can Alcohol Poisoning Be Prevented?

There are a number of things you can do to prevent alcohol poisoning. The most obvious and important thing is to avoid drinking too much too quickly, typically through binge-drinking.

Some practical steps you can take to reduce the speed and heaviness of a drinking session can include:

  • Pace your drinking
  • Alternate alcoholic and soft drinks.
  • Set a limit on how many you will have before you start drinking
  • Try lower alcohol drinks or increase mixers

It can also help if you make sure you eat before drinking and avoid mixing alcohol with other drugs

 

When Alcohol Poisoning May Be a Sign of a Bigger Problem

A single episode of excessive drinking can happen occasionally, but repeated episodes or frequent binge drinking may indicate unhealthy alcohol use. Alcohol poisoning is also far more serious than simply being drunk or intoxicated, and a single instance could have devastating consequences.

It’s important to recognise that alcohol poisoning is a life-threatening emergency and recognising symptoms quickly can be vital. You should never delay calling emergency services if you suspect that someone may be experiencing alcohol poisoning.

If you’re worried about your own drinking or that of a loved one, Ocean Recovery can provide confidential assessment, detox support and rehabilitation if required. Call us today on 08008807596.

John Gillen - Director at Ocean Recovery

John Gillen - Author - Last updated: July 27, 2026

John is one UK’s leading professionals in the addiction recovery industry. Pioneering new treatment techniques such as NAD+ and ongoing research into new therapy techniques such as systematic laser therapy, John is committed to providing the very best treatment for people throughout the UK and Europe. During his extremely busy schedule, John likes to regularly update our blog section with the latest news and trends in the industry to keep visitors to our site as well informed as possible on everything related to addiction treatment.