How Long Do Drugs Stay in Your System?


Quick Answer

The amount of time a drug remains in the body at detectable quantities depends on the drug and the frequency in which the drug was consumed, states OHS Health and Safety Services Inc. For example, marijuana may remain in the system approximately two to five days.

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Full Answer

The amount of drug consumed, potency of the drug, and the length of time of consistent drug use also affect the length of time a drug may remain in the system, explains OHS. Drugs used chronically over an extended period of time are detectable in the body much longer than drugs consumed occasionally. For example, PCP typically remains in the system approximately one to eight days, but a drug test may detect the presence of PCP more than 30 days after heavy and chronic use.

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