Duration of medicine

by Bobby

I was wondering if anyone can give me the correct information about how long extended release Xanax extends? My pharmacist told me 8 hours, a different one said 12 hours. I read online somewhere that it releases slowly and consistently over 24 hours. I also have read online every other number of hours there are in a day. None of my packets give this information either (the ones that come with you prescription every time you fill) I take 2mg Xanax XR and have no absolute answer to this question

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by: David

If you mean you’d like to know what the half-life is for XANAX, the following is a quote from drugs.com with some detailed specifics about answering that question:
"The mean plasma elimination half-life of Xanax (much the same as Xanax XR) is reported to be 11.2 hours. The full range is from 6.3 to 26.9 hours in healthy adults. For a drug to be totally eliminated from your system it takes 5.5 times the half life which equates to around 6 days."
https://www.drugs.com › medical-answers › long-xanax-xr-start-working-lo...

The next quote is about how to take XANAX XR tablets, and it is from rxlist.com:
"XANAX XR Tablets may be administered once daily, preferably in the morning. The tablets should be taken intact; they should not be chewed, crushed, or broken. The suggested total daily dose ranges between 3 to 6 mg/day. Dosage should be individualized for maximum beneficial effect."

The next internet quote answers what, I think, your actual question may be. The answer is from verywellmind.com:
"Does xanax show up on a 5 panel drug test?
Here are the approximate detection window times for Xanax: Urine: A urine drug screen, such as those that are done for employment, will test positive for benzodiazepines for five days and up to a week after a dose. ... Saliva: Xanax can be detected in saliva for up to 2.5 days."

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