A member asked:

Perscribed by er, i took one .5mg lorazepam on tues. at 12am and one on wed. at 12am. how long until it can't be detected in urine test?

A doctor has provided 1 answer
Dr. John Moranville answered

Specializes in Psychiatry

3-4 days: lorazepam has a half life of 12-18 hrs meaning half of it is metabolized by then. It takes 5 half lives until there are negligible amounts in your bloodstream. If you just took those 2 doses and you are not on other mess that may slow metabolism then a urine test should be completely negative by Monday

Answered 10/15/2017

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