Alcohol poisoning

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How can it occur

Every time you drink alcohol, your liver has to filter out the poisonous alcohol from your blood. Alcohol is absorbed quickly into your body (much quicker than food), but the body can only process around one unit of alcohol in one hour.

If you drink a lot of alcohol over a short space of time (binge drinking), such as on a night out, your body does not have time to process all the alcohol. This means the amount in your bloodstream, known as your blood alcohol concentration (BAC), rises. The higher your BAC, the more of an adverse effect alcohol has on the workings of your body.

For example:

  • if you had a BAC of 80 milligrams (mg) of alcohol per 100 millilitres (dl) of blood (the drink driving limit) – you would experience some loss of 
    co-ordination and an altered perception of the environment
  • if you had a BAC of 100-200mg per dl – you would experience impaired judgment, slurred speech, loss of memory and involuntary movement of your eyes
  • if you had a BAC of 200-400mg per dl – you would experience double vision, feeling and being sick, hypothermia and severely slurred speech
  • a BAC of over 400mg per dl can result in severe breathing difficulties, coma and death

At very high levels, alcohol affects the nerves that control automatic actions like breathing, your heartbeat and your gag reflex (which stops you from choking). 

Excessive alcohol consumption can slow or even shut down these functions, causing you to stop breathing and become unconscious. 

 

How common is it

In England in 2010/11, over 20,000 people were admitted to hospital due to alcohol poisoning. This accounts for more than 350 people a week.

There were 188 deaths due to alcohol poisoning in England and Wales during 2010. 

 

Symptoms of alcohol poisoning 

The level of alcohol in a person’s blood can continue to rise for up to 30-40 minutes after a person’s last drink. This can cause their symptoms to suddenly worsen.

You should always be alert for signs that somebody has become poisoned from alcohol.

Signs of alcohol poisoning

Signs a person may have alcohol poisoning include:

  • confusion
  • severely slurred speech
  • loss of coordination
  • being sick (vomiting)
  • irregular or slow breathing
  • blue-tinged or pale skin caused by low body temperature (hypothermia)
  • stupor (being conscious but unresponsive)
  • unconsciousness (passing out)

 

Complications

After being poisoned by alcohol, the person could:

  • choke on their vomit
  • stop breathing
  • have a heart attack
  • inhale vomit, leading to fatal lung damage
  • become severely dehydrated, which can cause permanent brain damage in extreme cases
  • develop more severe hypothermia
  • suffer seizures (fits) because of lowered blood sugar levels

In the most severe cases, alcohol poisoning can lead to coma, brain damage and even death.

Other related risks

Drinking too much alcohol can affect the person’s judgement and put them in situations that can risk their health and safety. For example, they may:

  • have an accident or get injured
  • get involved in violent or antisocial behaviour
  • have unsafe sex, which can lead to an unplanned pregnancy and sexually transmitted infections
  • lose personal possessions

 

Treatment for alcohol poisoning 

Someone suffering from alcohol poisoning will not be aware enough to help themselves. When you are with a group of people drinking, it is important to look out for signs of alcohol poisoning and know what to do when someone has had too much to drink.

Following the advice below could save someone’s life.

What you should do

If you suspect someone has alcohol poisoning, dial 999 and ask for an ambulance. While you are waiting:

  • try to keep them sitting up and awake
  • give them water if they can drink it
  • if they have passed out, lie them on their side in the recovery position and check they are breathing properly (see Accidents and first aid: recovery position for a detailed explanation of how to do this)
  • keep them warm
  • stay with them and monitor their symptoms

What you should not do

There are many urban myths about ways to 'sober someone up' when they are drunk, most of which are wrong and can even be dangerous. You should not:

  • give them coffee – it will make them more dehydrated
  • leave them alone or lying on their back, even if they are asleep
  • walk them around
  • put them under a cold shower
  • let them drink any more alcohol

Hospital treatment

When someone has alcohol poisoning, they need to be taken to hospital.

Medical staff at hospital will monitor the person's state until all the alcohol has left their system. They may also need to:

  • insert a tube into their windpipe to help them breathe
  • fit an intravenous drip (which goes directly into a vein) to top up their water, blood sugar and vitamin levels
  • fit a catheter (tube) to their bladder to drain urine straight into a bag so they do not wet themselves
  • pump their stomach by flushing fluids through a tube inserted into their nose or mouth


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The Have I Got A Problem website is a free online resource to help people better understand any issues or concerns they may have about mental health or addiction. The website includes resources specifically focused to; general Mental Health, Depression, Stress, Anxiety, Insecurities, Self-harm Schizophrenia, Bipolar, Anger Management, Eating Disorders, Coping, general Addiction, Alcohol, Smoking, Gambling, Drugs, Cocaine, Heroin, Marijuana (Cannabis) Ecstasy, PCP, Mephedrone, Ketamine & Crystal Meth.

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