Detection. Single use of marijuana should be out of your urine in 1 to 7 days. Regular use of marijuana – should be out of urine in 7 to 100 days. Single use marijuana can be detected 12 to 24 hours in blood. read more
Acute marijuana users are likely to retain THC metabolites for approximately 4 to 7 days after ingestion, whereas chronic/long-term users may retain THC metabolites for up to 60 days after their final dose. read more