How Long Do Drugs Stay In One’s System?

Drugs Stay In One’s System

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Factors That Determine How Long Drugs Stay In One’s System

Many factors can affect how long drugs stays in one’s system. Some of these factors are:

  • The type of drug that was in use
  • The amount of the drug that was in use
  • The frequency of drug use
  • The person’s age
  • The person’s physical condition, height, weight, percentage of body fat
  • Metabolism rate
  • Chronic illness

How Long Do Certain Drugs Stay In One’s Body?

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DrugMiscellaneous NamesUrineBloodSalivaHair
MarijuanaPot, Weed, Mary Jane, MJ2-80 days2 days1-10 days90 days
OpiatesHeroin, Opium, Morphine2-4 days6-24 hours1-2 days90 days
AlcoholBooze, beer, liquor, wine3-5 days12 hours1-5 days90 days
AmphetaminesObetrol, Reds, Meth2-5 days12 hours1-5 days90 days
CocaineCoke, Snow, Crack2-30 days24 hours1-10 days90 days
BarbituratesBlack Beauties, Seconal, Barbs14-21 days1-2 days1-10 days90 days
BenzodiazepinesLibrium, Tranks7-40 days1-2 days1-10 days90 days
CodeineCodephos syrup, Schoolboy2-4 days1 day1-4 days90 days
LSDAcid8-24 days3 hours1-2 days90 days
EcstasyXTC, MDMA2-5 days24 hours1-3 days90 days
MethadoneMethadose, Dolophine6-12 days24 hours1-10 days90 days
MethamphetamineSpeed, Crystal, Ice1-4 days1-3 days1-4 days90 days
OxycodoneOxies, O.C., Orange City, Orange County3-4 days24 hours1-4 days90 days
Anabolic SteroidsJuice, Roids10 days24 hours10 days90 days
PCPAngel Dust, Love Boat, Ozone7-30 days24 hours1-10 days90 days
NicotineTobacco, Cigars, Cigarettes2-4 days2-4 days1-4 days90 days
PhentermineAdipex, Adipex-P1-2 days1-2 days90 days
BiphematineObetrol, Reds, Meth1-2 days12 hours1-2 days90 days
Bufotenine5-ho-dmt2-5 days1-5 days90 days
BuprenorphineSubs, Subbies, Orange Guys1-3 days1-3 days90 days
CactusBroken, Dead, Mesc2-3 days1-3 days90 days
DET2-methyl-diethyltryptamine6-8 hours1-2 days90 days
DMTBusinessman’s Trip2-5 days1-5 days90 days
DOBAdam, XTC, Ecstasy2-5 days24 hours1-5 days90 days
DOMSTP, XTC, Adam2-5 days24 hours1-5 days90 days
DemerolMepergan, Pethidine6-12 days1-10 days90 days
DiazepamBenzodiazepine7-50 days6-48 hours1-10 days90 days
DidrexBenzphetamine Hydrochloride1-2 days1-2 days90 days
HydrocodoneVic, Vics, Vicodin1-6 days1-10 days90 days
HydromorphoneHospital Heroin, Hydro3-4 days1-4 days90 days
JWF-018Spice2 days- 3 months2 days1-10 days90 days
LudesMethaqualone14 days1-10 days90 days
MorphineMorf, M.S., M3-4 days12 hours1-4 days90 days
NorcoOpioid Analgesic3-4 days24 hours1-4 days90 days
OxycontinRoxicodone, Oxyfast3-4 days24 hours1-4 days90 days
PsilocinCubes, Shrooms2-5 days1-5 days90 days
RitalinMethylPhenidate1-2 days1-2 days90 days
ValiumBenzodiazepine1 week- 2 months6-48 hours1-10 days90 days
XanaxBenzodiazepine1 week- 2 months6-48 hours1-10 days90 days

Types of Drug Tests

Currently, there are five different types of drug test that are in use: blood test, urine test, saliva swab test, hair, and sweat test. Each of these tests has the same function: to detect any drug in one’s organism. Thus are mostly used to discover if an individual has a substance abuse problems, or as a screening method for an employer to check their employees.

Urine Drug Test

The urine drug test is one of the most common tests. Overall, it’s an easy and noninvasive drug testing technique, which can detect drugs that have been in use weeks before testing. However, there is a slight possibility of false positive results.

Saliva Drug Test

The saliva drug test is the cheapest drug testing technique that does not require any specific laboratory equipment. As Such, conduct testing by swabbing a q-tip over someone’s inner cheek or tongue. Even though this testing method is easy to perform, it is not the most reliable one.

Sweat Drug Test

A small but sufficient amount of drug is in a person’s sweat. Therefore, by testing one’s sweat, it is possible to detect the presence of most drugs, especially if the drug was in use in the last 24 hours.

Hair Drug Test

Drug’s metabolites tend to accumulate and remain in a person’s follicles long after drug exposure. Furthermore, this technique can be used to test a person weeks after one ingested drugs.

Blood Test

One of the most reliable drug tests is the blood test. Although it is more invasive than other tests, it can better detect drugs, and give more information about the drug.

View Sources
  1. The US Food and Drug Administration. Drugs of Abuse Home Use Test. 2018. https://www.fda.gov/medical-devices/drugs-abuse-tests/drugs-abuse-home-use-test.
  2. Hadland S. E., Levy S. Objective Testing: Urine and Other Drug Tests. Child and Adolescent Psychiatric Clinics of North America. 2016; 25(3):549–565. doi:10.1016/j.chc.2016.02.005. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4920965/.

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  • Susan Nicklin
    I went for 2 Urine test and both came up negative for the medication I take for my condition. They are oxycoden 10 mg 4 times a day, the other is klonipin .5 mg 4 times a day as needed for panic attacks. Why would they come up negative? Also, today I went for a blood test this time. Will the meds come up in that?