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A member asked:

how long is ativan (lorazepam) detectable in a urine drug screen?

3 doctor answers15 doctors weighed in
Dr. Khaled Mohamed
Psychiatry 38 years experience
2= 3 days: The biological half-life or elimination half-life of a substance is the time it takes for a substance to lose half of its pharmacologic, physiologic, or radiologic activity, five half-lives is the time need for drug to reach steady-state or be eliminated from the body. Ativan (lorazepam) half-life is between 8 – 10 hours, consequently it takes between 40-50 hours to be eliminated from the body.
Dr. Paul Pyles
Addiction Medicine 33 years experience
Less than a week: Typically this drug is not detectable by the urine drug screen after 4 to 5 days. It depends on the condition of your liver and if other drugs are present and competing for metabolism. It also depends on the sensitivity and specificity of the test itself. Hope this helps!
Dr. William Singer
Pediatric Neurology 51 years experience
Detected: Adderall (dextroamphetamine and racemic amphetamine) can be detected in drug screes for 3 to 5 days. If it being prescribed by a physician get a letter stating it is being prescribed to you and a statement of the diagnosis. Give the letter to your employer before the drug test.

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Last updated Jan 31, 2020
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