Last updated: August 1, 2022

    Employers really wouldn’t ever have a reason to add caffeine to the company drug test so it may seem silly to ask if you can drink coffee before a drug test. If you’re among those who thought so, we’ve got news for you. Coffee has been linked to popping a false-positive test result for methamphetamine .

    Can you believe it?

    If you’re an avid coffee drinker and have a drug test looming, there’s no reason to be alarmed though. The false positives were a rare event. Moreover, they occurred back in the early days of drug testing—the ’70s and ’80s—when tests were far less sophisticated. It’s said that drinking massive amounts of water was enough to get anyone past the test for a time.

    That’s not the case anymore thanks to continuing advances in drug testing technology and the ever-increasing sophistication of laboratory equipment. That’s good news for coffee drinkers, but bad news for drug users. It keeps getting harder and harder to falsify a drug test.

    A few false-positive possibilities

    While it’s not possible for your morning cup of joe to mess up the outcome of your test, there are a few things that might .

    They include:

    • Poppy Seeds—It’s “guesstimated” to take at least 3 tsps in a sitting.
    • Mouthwash—The ethanol content causes the problem. It’s a form of grain alcohol.
    • Antidepressants—Drugs, such as Zoloft, can be mistaken for benzodiazepines on some drug screens.
    • Antibiotics—It’s a rare occurrence, but Rifampin, used to treat tuberculosis, might show up as an opiate .
    • CBD Oil—The level of THC contained in CBD products could reach traceable levels.
    • Antihistamines—The antihistamine, Diphenhydramine, might show up as PCP.
    • Weight loss pills—They curb your appetite but are similar in make up to amphetamines.
    • 2nd hand marijuana smoke—If you’re around someone who smokes a lot your test could produce traceable levels of THC.
    • Coca tea—It’s made with the leaves of the same plant that produces cocaine , so…

    There is one more thing though

    Drinking coffee before a drug test isn’t going to cause any type of false positive for drugs on any of the three employee drug tests on the market.

    They are:

    • Urine drug test
    • Oral fluids, otherwise known as the mouth swab , drug test
    • Hair follicle drug test

    However, drinking coffee—or any beverage, including water—could interfere with a urine drug test result.

    Negative dilute test results

    A urine drug test is deemed as a negative dilute when no drugs are detected in the specimen but the creatinine levels are out of the normal range. That happens when there is too much liquid in the body to be processed correctly.

    Employers who are notified that an employee received a negative dilute drug test result often allow the employee to retest. If it’s a Department of Transportation ( DOT ) drug test, it must be an observed test. That doesn’t sound fun, but it could save someone their job.

    Positive dilute drug tests nearly always result in immediate termination of employment.

    Two myths busted

    Now you know for sure that drinking coffee before a drug test isn’t going to cause a positive result for amphetamines if you have to take a drug test.

    You’ve also learned that drinking a lot of anything prior to providing a urine sample isn’t going to flush out your system. But, you might wind up with a diluted test result. It’s best to get a good night’s sleep the night before so you won’t be tempted to down the pot so you can wake up.

    What do you think?

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    Can you drink coffee before a drug test?
    Drinking coffee before a drug test isn't going to cause any type of false positive for drugs on any of the three employee drug tests on the market. They are: Urine drug test. Oral fluids, otherwise known as the mouth swab, drug test. more
    What does Xanax test positive for on a drug test?
    Urine. A urine drug screen, such as those that are done for employment, will test positive for benzodiazepines for 5 days and up to a week after a dose. For populations who metabolize Xanax more slowly—such as the elderly, obese, and those with alcoholic liver disease—that time maybe even longer. more
    Can I drink the night before a drug test?
    Since alcohol can stay in your body anywhere from several hours to a few days, the best way to guarantee you'll pass a drug test is to not use alcohol for about 2 or 3 days before taking a test. Especially if the type of test your taking looks for intake of both drugs and alcohol, it's better to stay safe than sorry. more
    Can I drink the day before a drug test?
    The only thing that affects a dilute sample is the amount of fluid taken in within a short period of time prior to providing the urine sample. If you are seeing results that show you are getting close to a dilute sample, try to stop drinking any fluids 2-4 hours prior to providing the sample. more
    What does a 12 panel drug test test for?
    Standard 12-panel test: looks for cocaine, marijuana, PCP, amphetamines, opiates, benzodiazepines, barbiturates, methadone, propoxyphene, Quaaludes, Ecstasy/MDA, & Oxycodone/Percoset. more
    How much water can you drink before a drug test?
    Drinking two or three 12-ounce glasses of water at the same time can produce 10-fold diluted urine within only half an hour and the dilution effect may last for hours. In most cases, this will successfully lower the concentration of some drugs (mainly marijuana) in the urine enough to produce a negative test result. more
    What does a 5 panel drug test test for?
    A standard 5 panel drug urine test is the drug test most frequently used by government agencies and private employers. A 5 panel drug test typically tests for commonly abused substances, including THC, Opiates, PCP, Cocaine, and Amphetamines. more
    How much water should I drink before a urine drug test?
    Drinking two or three 12-ounce glasses of water at the same time can produce 10-fold diluted urine within only half an hour and the dilution effect may last for hours. In most cases, this will successfully lower the concentration of some drugs (mainly marijuana) in the urine enough to produce a negative test result. more
    What happens if you test positive on a DOT drug test?
    The only way to return to a safety-sensitive position after a positive DOT drug test is to work with a qualified DOT SAP. This person will evaluate your circumstances and recommend treatment or education for you to complete. more
    Can you eat or drink before a urine drug test?
    Abstain from any drugs or alcohol. Bring any paperwork that your employer or agency requesting the drug test requires. If you need to fast before your drug screening, avoid all food and drink for the time-frame designated for your test. more
    What is the difference between a regular drug test and a DOT drug test?
    DOT drug testing is different from regular drug tests. For example, even though there are several ways to perform a drug test, the DOT only allows urine drug testing. They also require a very thorough testing process, so results usually take longer to process. more

    Source: usamdt.com

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