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Detection Periods In Drug Screening

Written by Sierra Rein
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Before you organize a drug test, make sure you become familiar with the detection periods in drug screening. Different drugs effect the body in different ways, and each has a specific amount of time that it takes for the drug to be processed fully. Some drugs last only a few hours in the system, while some traces (metabolites) of the drug can last a few weeks to even a month!

Sometimes an individual's personal metabolic rate can effect the amount of time it takes for a drug to last in the system. The dose of the substance can also be a factor in how much of the metabolites are found during the drug screening process. This makes it extremely difficult to discover drugs in some individuals, while eating a poppyseed muffin can result in a false positive drug test others.

Other Factors that Determine Detection Periods in Drug Screening
Sometimes, an individual's tolerance for the drug can allow the body to hold on to the metabolites longer than usual. Other factors, such as age, sex, level of exercise, fluid intake, and how habitual the drug use is can effect the amount of time it takes for the drug to leave the system. It is therefore extremely difficult to nail down a general timeline of drug use without the person's direct input and honesty.

Thus, if a drug test results in a positive answer, it is up to the tester not to jump to conclusions regarding how, when, and where the substance was taken. Even second-hand marijuana smoke can be inadvertently inhaled, and may stay in the system as long as a week after. Once a positive result comes to light, proper care and consideration for the individual should be addressed to give him the time to respond to such an accusation, and to perhaps give him time to request a retest based on the detection periods in drug screening.


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