You would have to tell us what drugs you have taken and how long its been since you used it.
How Far Back Can A Blood Drug Test Detect Drugs?
Maybe you could rephrase this question and ask it again cause I'm not sure what you mean.
Amphetamine- 12-24hrs
Cannabis- single use 2-5 days/ habitual use 2 weeks
PCP and Methamphetamine - 1-5 days
Unknown -Heroin, Codeine, Morphine, Cocaine, Benzodiazepines, Barbiturates
Cannabis- single use 2-5 days/ habitual use 2 weeks
PCP and Methamphetamine - 1-5 days
Unknown -Heroin, Codeine, Morphine, Cocaine, Benzodiazepines, Barbiturates