How long does fentanyl stay in your system

Common Questions and Answers about How long does fentanyl stay in your system

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397118 tn?1219762250 Ok the title says it all lol, How long does marijuana stay in your system? I never did marijuana so don't know is for my nephew he keeps saying he is not doing any and every test is positive and occording to him the last time he use was 5 months ago but every month the test is positive. What do you guys think? is it like he says that it stays in your body for a long time or he is still using?
Avatar n tn Gosh i must say you are mighty helpful and i truly thank you a ton for going out of your way to help me with this issue. Thank you a million.