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Olanzapine (Zyprexa)
Drug Testing
by Erowid
SUMMARY #
U.S. DRUG TESTING SUMMARY
Olanzapine
Tested for in Standard Drug Tests?
NO
Tested for in Extended Drug Tests?
NO
Possible to Test for?
Likely
Detection Period in Urine
Unknown


TEST TYPES #
Urine Testing
We are not aware of any drug tests that would show olanzapine usage. It is not one of the SAMHSA-5 standardly tested for in the basic drug test, nor is it included in the extended drug tests. It is not chemically similar to any of the drugs tested for, but a metabolite could potentially test positive for other benzodiazepines or other pharmaceuticals.

Because olanzapine's half life is between 20 to 55 hours (mean about 30), it would be expected that it would be detectable for at least 4 half-lives, so 4-5 days.

CAUTION & DISCLAIMER #
Erowid's drug testing information is a summary of data gathered from site visitors, journal articles, websites, and other resources. Detection periods depend on amount and frequency of use, metabolic rate, body mass, age, overall health, drug tolerance, and urine pH of each individual. Many substances that are not tested for in basic or extended urinalysis tests CAN be tested for by a laboratory willing to go to the trouble, although that is uncommon.