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How do drug tests work for drivers?

A classmate of mine is in a lot of trouble for getting a DUI for drugged driving. Apparently, the police used some kind of test when they stopped him. How do drug tests work for drivers who are pulled over?

avatar
Pat Roache · Updated on
Reviewed by Shannon Martin, Licensed Insurance Agent.
Sounds like your classmate is having a rough time, but it’s good that he wasn’t seriously hurt. And, yes, you probably heard right about that drug test. Law enforcement can use a five-minute saliva test to screen for drug use if a driver is suspected of
driving under the influence of drugs
.
Here’s how testing for drugged driving works:
  • The police administer a rapid oral test in which the driver swabs their tongue with a small test stick to collect saliva.
  • The test takes about five minutes to screen for drug use within the last 12 hours.
  • If a test gives a positive result, the driver must take another oral test that will be sent to a lab for results.
The oral test checks for residue from cannabis, methamphetamine, and MDMA (or ecstasy). If you’re suspected of abusing other types of drugs before driving, you may be taken in to provide a urine or blood sample for testing.
A drugged driving charge could have major consequences for your license, driving record, and insurance. Never drive after drinking or using drugs.
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