A 27-year-old male asked:
took half a pill of xanax (alprazolam) (1mg)for the first time ever. how long will it stay in my system to pass a pee drug test? please help
1 doctor answer
Dr. Mike Siroky answered
Specializes in Urology
Xanax (alprazolam): has a half life of 12 hours. So 75% is gone in 1 day. Whether a drug test detects it depends on how sensitive the drug test is. As a rule of thumb it take 5.5 times the half life to completely eliminate a drug so 5.5 times 12 hours is about 3 days. To be safe give it a week.
Answered on Jan 12, 2020
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