Drugs can remain in your system for quite sometime, but they all differ from drug to drug. Some last longer, and some shorter. They do, however, stay in your hair the longest. Check out how long each drug stays in your system in the list below:
Alcohol
Urine: Three to five days
Blood: 10 to 12 hours
Hair: Up to 90 days
Amphetamines
Urine: One to three days
Blood: About 12 hours
Hair: Up to 90 days
Barbiturates
Urine: Two to four days
Blood: One to two days
Hair: Up to 90 days
Cannabis
Urine: Seven to 30 days
Blood: About two weeks
Hair: Up to 90 days
Cocaine
Urine: Three to four days
Blood: One to two days
Hair: Up to 90 days
Heroin
Urine: Three to four days
Blood: Up to 12 hours
Hair: Up to 90 days
MDMA
Urine: Three to four days
Blood: One to two days
Hair: Up to 90 days
LSD
Urine: One to three days
Blood: Two to three hours
Hair: Up to three days
Methamphetamine
Urine: Three to six days
Blood: 24 to 36 hours
Hair: Up to 90 days
Morphine
Urine: Two to three days
Blood: Six to eight hours
Hair: Up to 90 days
