How long do drugs stay in your blood stream?

1 Answer
Nov 17, 2016

The length of time depends on the test used, the amount you take, your medical conditions, and your own metabolism.

Explanation:

Here are the general averages for some common drugs.

color(white)(m)bb"Drug"color(white)(mmmmmll)bb"Time/h"
"Amphetamines"color(white)(mmmll)12
"Barbiturates"color(white)(mmmmm)24
"Benzodiazepines"color(white)(mmm)72
"Cocaine"color(white)(mmmmmmml) 48
"Codeine"color(white)(mmmmmmml)12

"Heroin"color(white)(mmmmmmmm) 12
"Hydrocodone"color(white)(mmmmm)24
"LSD"color(white)(mmmmmmmmmm)3
"Marijuana"color(white)(mmmmmml)48
"MDMA"color(white)(mmmmmmmll) 48

"Mescaline"color(white)(mmmmmmll)24
"Methadone"color(white)(mmmmmm)36
"Methamphetamine"color(white)(mml)72
"Morphine"color(white)(mmmmmmml)8
"PCP"color(white)(mmmmmmmmml)24