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Step 1
Abstain from the use of marijuana, methamphetamines and opiates. Saliva drug tests are nearly impossible to beat, and products that claim that they beat saliva tests are often ineffective.
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Step 2
Avoid being in areas where drugs are being smoked. Marijuana smoke can be inhaled and, in sufficient quantities, will cause a false positive on a drug test.
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Step 3
Disclose any prescription medications you may be taking that would interfere with a drug test. False positives can come from ingestion of legal drugs, as well. Have your prescription available for inspection.
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Step 4
Follow the instructions of the test. Most saliva tests require abstaining from food for 24 hours.












