How long does alcohol stay in the body?

You may be interested in how long alcohol stays in the system and how long it takes to be eliminated from the body. Alcohol is broken down by the liver, but the time it takes to metabolize it depends on several important factors, namely: genetics, how much alcohol you drank, age, weight, and the amount of food you ate.

In a large percentage of clinical cases, alcohol stays in the system for 6 to 72 hours.

A breathalyzer detects alcohol:

In the blood for 12 hours;
In the urine for 12-24 hours;
In saliva for up to 12 hours;
Hair retains information for 90 days.

Signs of alcohol intoxication include:

Slurred speech;
Impaired coordination;
Confusion;
Memory impairment;
Difficulty concentrating;
Breathing problems.

Source:

https://americanaddictioncenters.org/alcohol/how-long-in-system