How Long Does Alcohol Stay In Blood?


3 Answers

Mark Henderson Profile
Mark Henderson answered
On average one unit of alcohol is broken down every hour in your body, although there are a variety of factors which determine how long alcohol stays in your blood.

The variables which determine how quickly alcohol is broken down in blood are:

  • Body weight.
  • Your gender.
  • How old you are.
  • Your metabolism.
  • The amount of food you have consumed.
  • The strength and type of alcohol.
  • It will also take longer if you have liver problems.
How many hours does alcohol stay in blood?
For example, if you have five single measurements of a spirit, which equals five units, then it will take about five hours for your body to break down the alcohol in your blood. Likewise:

  • It will take your body around three hours to break down the alcohol content from a large glass of wine (250ml).
  • Or, if you prefer beer, then it takes your body about two hours to break down one pint of lager.
  • If you binge drink and consume many different types of alcohol on a night out, then the alcohol can stay in your blood until the next day.
  • Men are advised not to drink more than 3-4 units of alcohol per day on a regular basis.
  • Women are advised not to drink more than 2-3 units per day on a regular basis.
Anonymous Profile
Anonymous answered
Alcohol stays in your blood for up to 24 hours.

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