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How long after drinking can a saliva test detect alcohol?

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Quick Answer

A saliva test can detect traces of alcohol in the body for as long as 12 days after the consumption of alcohol, states Addict-Help. This type of test is also called an ethyl gluconoride test.

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Full Answer

Ethyl gluconoride, or EtG tests, are most often used during the first 80 hours after alcohol consumption. A saliva test can detect alcohol use after most other types of tests, such as a breathalyzer, can no longer pick up traces of alcohol in the body. In addition to alcohol use, a saliva test can also be used to detect the use of other drugs, such as cannabis, cocaine and opiates, notes the Drug Foundation.

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