Stop using the substance immediately
Wait for enough time to pass for your body to clear it
Hydrate normally
Eat regular balanced meals
Get adequate sleep
Exercise moderately if appropriate
Avoid secondhand exposure to the substance
Follow the test instructions exactly
Provide the required sample honestly
If you take prescription or over-the-counter medications, disclose them to the tester if asked
If you are concerned about a legitimate medication, bring documentation from your prescriber or pharmacy
Do not use adulterants, masking agents, or substitution methods
Do not rely on internet detox products or home remedies
Seek medical or substance-use support if stopping is difficult