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20 years
Does smoking hash show up on a blood test? If so what kind of test and how long does it take for it to be out of your system?
Jun 29, 2013

Dr. Jean Esso Anesthesiology
Hash doesn't stay in your blood that long or doesn't show up very long after you smoke. Blood tests are more for testing whether you've smoked extremely recently. The following information is only useful if you're going to take a urine test.
If it's the first time you've smoked, it probably stays in the body no more than a few days. If you smoke often, say a 2-5 times a week, it will probably take roughly 1 month to be cleared out of your system. If you smoke more than that, it can take up to 3 months. For this reason, when you ask “How long does it take to be out of your system?” you have to realize that it’s very unlikely that you’ll be able to get a usable answer. The most common period of time is anywhere from 3-90 days, depending on your metabolism and the amount of hash that you’ve smoked.
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