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How long dose opanas stay in ur system?

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butterflylynn 11 May 2012

I am not quite sure what you are asking.
If you are wanting to know how long each dosage will last here is the info.
If you are taking short release tablet called Opana it last 4-6 hours. If you take the Opana ER (extended release) each dosage is every 12 hours.
If you are talking about withdrawels & you are stopping Opana. You need to make sure to wein yourself off it you will need to ask your Dr. as they can give you a medication like Methadone to help with the withdrawel side effects.
I hope this helps.

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