Varies: The half-life of Lorazepam (ativan) is 9-16 hours. It is out of your system in 5 half-lives, or 45-80 hours.
Answered 6/27/2014
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
9 doctors weighed in across 3 answers
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