How Long Do Drugs Stay in a Person’s Body Systems

It is very critical to understand “How long do drugs stay in your system?” when it comes to drug tests.

The major factors on which the drug visibility is seen can be summed up as follows

  1. Metabolic Rate: Higher the metabolic rate of an individual, the shorter is the drug detection timeframe for that individual.
  2. Age: As you age, the metabolic rate tends to slow down. This in turn makes you prone to longer drug detection time periods.
  3. Amount and Frequency of the drug intake: Intake of large amounts of drug will lead to higher concentration of drug in the body. As a result, it will take more time for it to get metabolized and excreted out of your system. Taking drugs infrequently has possibilities of the drug getting visible around the lower thresholds. Very frequent drug consumption will lead to the detection of the drug around the high threshold levels.
  4. Body Mass: Higher body mass can be associated with longer drug visibility time periods. Drugs like THC and PCP tends to get accumulated in the fatty tissues of the body. As such, in case of human beings who have no physical activity or crippled and in people who have higher fat content, the drug detection window is likely to be very lengthy.
  5. Tolerance to the Drug: Once the tolerance to a particular drug is established in an individual, the metabolic rate of that particular drug in that individual is unimaginably shortened.
  6. Health Conditions: In case of people with degenerating health, the metabolic rate is slow and hence the drug detection time is longer.
  7. Ph of Urine: The more acidic the urine is, the shorten the drug detection period is.

The drug detection time for alcohol is one full day while that of amphetamines is 1-4 days. Barbiturates and benzodiazepines can be detected in the human body for 1-3 days since the consumption of the drug.

Cocaine has been proved to remain in the body for around 1-5 days while LSD tends to remain in the body for 1-2 days. THC when used casually gets detected within a week since its intake. Ecstasy or MMDA, Methadone and methamphetamines are drugs that can be detected within a span of 4 days. Traces of opiates are detectable for a period of 5 days since intake. While PCP stays in the body for almost a week.

Of the drugs, PCP and THC tend to remain in the body for days, months or weeks and this entirely depends on factors like health conditions, age, metabolism and physical characteristics of the individual.

This list gives approximate detection periods for each substance by test type.

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