How Far Back Can a Mouth Swab Drug Test Go Back?


A mouth swab drug test can go back about forty eight to seventy two hours. This type of drug test is often done in doctor's offices. It is a reliable test.
Q&A Related to "How Far Back Can a Mouth Swab Drug Test Go Back..."
A drug test can detect drugs that you took 4 days ago. ChaCha!
Not Medical Advice: Traces of drugs will show in the saliva up to 24 hours after use. Saliva tests check for alcohol, phencyclidine drugs, opiates, coc@ine, mariju@na, and methamphetamine
Two days.
for a regular user, about 30 days.
1 Additional Answer
Mouth swab drug tests are considered to be a reliable method of drug detection. It is said that most drugs disappear from saliva between 12 and 24 hours. They can however last up to 72 hours.
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The max amount of time that a oral swab drug test can detect drugs is seventy-two hours. Some tests go back a month or so depending on the amount of drugs that ...
A drug test using saliva goes back about 12-24 hours. After this amount of time the drugs usually disappear. This type of test is usually only helpful where recent ...
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