Quote Originally Posted by FakeBoobsRule
Lorax you are wrong. I see you are new to the boards today but try not to guess in the drug testing forum. People's jobs, freedom, or children are sometimes at risk.

For most people it is about 72 hours or less. Short window of detection but there is nothing you can do to beat the blood test.
Maybe you should be the one that should be more careful. Do you know if he's an infrequent or frequent user?

Cannabis is detectable in the blood for approximately 2-3 days after use in an infrequent user. Frequent use can be detected in the blood for approximately 2 weeks.
Erowid
The Lorax Reviewed by The Lorax on . blood tests how long after you smoke can it be detected in a blood test? The last time I smoked was on 4/20 Rating: 5