Can you tell the difference between xanax or klonopin in a urine test
15 Jan 2010
from what i was told,no,i was told this by my sons po,as long as it's in the same class of drugs,thats what they look for. :) they look for something other than what's prescribed,marijuana,things like that,here if they find marijuana in your system,they will completely cut you off your scripts,no joke,my doctors office does this.
15 Jan 2010
Xanax has a maximum half life of 26.9 hours so it should be out of your system within 53.8 hours. However Klonopins half life is approximately 20 to 50 hours so it could stay in your system for approximately 40 to 100 hours. If they do a Dip stick drug test they can't tell the difference. They will both show up as a benzodiazepine. Some drug testing labs can tell the difference between the two drugs if they have a UA machine but this is rare and I wouldn't worry about it. I hope this helps. Good luck to you!
8 Jul 2011
They both show up with the same class of drugs but if you are prescribed this medication then your doctor may have a more extensive test to tell between them, they do this more often with opiates though for instance if you are prescribed hydrocodone and you test positive for oxycodone then they will revoke your prescription and the same with suboxone and subutex. It just depends on what they are searching for and most often they want to make sure you have the drug in your system and the right amount. And according to the local rehab clinic benzos stay in your system for up to 30 days.
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