A 22-year-old male asked:
I've smoked weed twice a week for the last 2 months, before that i rarely smoked. how long would the thc take to be out of my system for a blood test?
1 doctor answer • 1 doctor weighed in
General Practice 30 years experience
Cannabis: Unfortunately there are many variables at play here but commonly it is three months or longer depending on the amount of body fat you have.
Created for people with ongoing healthcare needs but benefits everyone.
4.3k viewsAnswered >2 years ago
Last updated Nov 12, 2016
Connect with a U.S. board-certified doctor by text or video anytime, anywhere.
$44 video appointments with $19/month membership*
*Billed $57 every 3 months. Cancel anytime.
Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.