Drug detection time refers to the "window" for detecting drug abuse. If a person tests too early or too long after use, the drug may not appear in the human urine. Usually someone asks us how long does the drug stay in the body? This short guide will help answer this question. For the sake of clarity, this is a reference for detecting drugs of abuse found in human urine.
How long does the drug stay in your system? from
The length of time in which in vivo drug abuse can be detected is an important factor in drug screening. The table below shows the approximate duration. In explaining the duration of drug abuse in the body, you must consider variables, including the body's metabolism, the subject's physical condition, overall fluid balance, hydration status, and frequency of use.
Drug testing time from
Urine is indicated below the lower and upper boundaries. The time of detectable drug/metabolite in urine may vary, depending on the following factors:
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Use amount and frequency of usefrom
: Single, isolated, small doses are usually detected at the lower boundary. Chronic and long-term use often results in a detection cycle near the upper boundary or at the upper boundary.
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Metabolic ratefrom
: Individuals with slower metabolism and longer drug testing time.
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Body massfrom
: In general, the body's metabolism slows down with weight gain, leading to prolonged drug testing time. Further, THC [active ingredient in cannabis] and PCP are known to accumulate in fatty lipid tissue. Chronic users, physically inactive users, and individuals with a high body fat percentage associated with overall weight tend to have longer THC and PCP drug testing periods.
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agefrom
: In general, the body's metabolism slows down with age, leading to prolonged drug testing time.
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Overall healthfrom
: In general, during the deterioration of health, the body's metabolism will slow down, leading to prolonged drug testing time.
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Drug tolerancefrom
: Once drug tolerance is determined, users often metabolize drugs faster.
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Urine pHfrom
: Urine pH will affect the drug testing period. Generally, highly acidic urine results in a shorter drug testing period.
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notefrom
In a small number of cases, the user's positive test time may exceed the time indicated - most notably long-term chronic disease, individuals with significant body weight and / or body fat, and health-related problems lead to abnormal body metabolism .
Drug detection time in urine
Drug/drug group time range
o alcohol from
24 hours or less
o amphetamine from
1 to 4 days
o Barbiturate from
Short-acting: 1 to 3 days
Long-acting [barbital, phenobarbital]: 1 to 3 weeks
o benzodiazepines from
Short-term treatment use: 1 to 3 days
Long-term / chronic use: 1 to 3 weeks
o cocaine from
1 to 5 days
o LSD from
1 to 2 days
o Cannabis [THC] from
Temporary use: 1 to 7 days
Long-term/chronic use: 1 to 4 weeks Note: THC is the main active ingredient in cannabis and is stored in the fatty lipid tissue by the body. From there, it will slowly release into the blood for several weeks - depending on the amount and frequency of use and the level of physical activity of the user. In chronic and physically inactive users, THC may accumulate in adipose tissue faster than it can be eliminated. This accumulation leads to longer detection cycles for these individuals. In addition, users with a high percentage of body fat associated with overall weight tend to have a longer period of cannabis drug testing.
o MDMA [Ecstasy] from
1 to 4 days
Omethadone from
1 to 4 days
o methamphetamine from
1 to 4 days
o opiate from
1 to 5 days
o PCP [phencyclidine] from
Temporary use: 1 to 7 days
Long-term/chronic use: 1 to 4 weeks Note: PCP is stored in the fatty lipid tissue by the body. From there, it will slowly release into the blood for several weeks - depending on the amount and frequency of use and the level of physical activity of the user. In chronic and physically inactive users, PCP may accumulate in adipose tissue faster than it can eliminate. This accumulation leads to longer detection cycles for these individuals. In addition, users with a high percentage of body fat associated with overall weight tend to have a longer PCP drug testing period.
Orignal From: Drug Testing - How long does the drug stay in the body?
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