How Long Do Drugs Stay in the Body?

Various drugs stay in the body for different amounts of times, varying all the way from three to 336 hours. Here’s how long different drugs stay in the body.

How Long Drugs Stay in Blood (in Hours)

LSD – 3
Morphine – 8
Heroin – 12
Amphetamines – 12
Alcohol – 12
Methamphetamines – 37
MDMA – 48
Cocaine – 48
Barbiturates – 48
Cannabis – 336

 

How Long Drugs Stay in Urine (in Days)

LSD – 3
Amphetamines – 3
MDMA – 4
Heroin – 4
Cocaine – 4
Barbiturates – 4
Alcohol – 5
Morphine – 6
Methamphetamines – 6
Cannabis – 30

How Long Drugs Stay in Your Hair (in Days)

LSD – up to 3
Alcohol – up to 90
Amphetamines – up to 90
Barbiturates – up to 90
Cocaine – up to 90
Cannabis – up to 90
Heroin – up to 90
MDMA – up to 90
Methamphetamines – up to 90
Morphine – up to 90

 

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