Depends on the drug: With saliva tests for drugs of abuse there is less data then with blood or urine testing. For most drugs three days will remove drugs from saliva (this is a midrange: some less some more or unknown amount of time). It is a very sensitive test and will detect all recent use.
Answered 7/17/2014
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A doctor has provided 1 answer
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3 doctors weighed in across 2 answers
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