How long drugs stay detectable, cut-off values and test methods.
12 articles
THC is detectable for 1 to 3 days in urine after single use, up to about a month with frequent use. Zuivertest does not...
MDMA is usually detectable for 1 to 3 days in urine and up to 90 days in hair. Zuivertest does not screen for MDMA; this...
3-MMC is usually detectable for about 1 to 3 days in urine. Standard rapid tests often do not recognise it.
GHB has a short window: about 6 to 8 hours in blood and about 12 hours in urine. Timing therefore matters.
Amphetamine is usually detectable for 1 to 3 days in urine and up to 90 days in hair. See the window per matrix.
Ketamine is usually detectable for 1 to 3 days in urine and up to 90 days in hair. See the window per matrix.
Cocaine is usually detectable for 1 to 4 days in urine and up to 90 days in hair. See the detection window per matrix.
A cut-off is the threshold above which a test is positive. Read what that means and why it matters.
A home strip gives yes/no, a lab a quantified value. Read how reliable test strips are.
Some medicines and substances can register on a rapid test. Read why a lab confirms a positive screen.
Urine, saliva and hair each cover a different time window. Read which drug test fits your question.
Detection windows per substance and per matrix (urine, blood, hair, saliva). With lab cut-offs, what shifts them, and wh...