How long after smoking marijuana will I test positive?

Top Answer

Medical Jane

Last updated: June 1st, 2016

It is difficult to say the length of time that you will test positive for cannabis use since the metabolic process of your body converting active THC into inactive THC COOH (what they test for) can vary from person to person. Factors such as the quantity of marijuana consumed, frequency of use, method of consumption, and even what you eat and drink can modify the amount of time that traces of THC COOH will be detectable in your urine come test day.

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