How long after ingesting drugs can the drug use be detected with a urine drug screen test? How soon after using drugs can a urine drug screen detect the drug?
• It depends on the drug used and the amount of drug used. The outer limit of detection for the commonly abused drugs is anywhere from two days for some barbiturates, to over a month for heavy, chronic marijuana use. The soonest that drugs can be detected also depends on the specific drug. Amphetamines and cocaine, for example, may be detected less than an hour after ingestion.
• It depends on the drug used and the amount of drug used. The outer limit of detection for the commonly abused drugs is anywhere from two days for some barbiturates, to over a month for heavy, chronic marijuana use. The soonest that drugs can be detected also depends on the specific drug. Amphetamines and cocaine, for example, may be detected less than an hour after ingestion.
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- How long after ingesting drugs can the drug use be detected with a urine drug screen test? How soon after using drugs can a urine drug screen detect the drug?
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