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Old 11-10-2007, 04:44
neversummer neversummer is offline
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Rectal Bioavalability of Morphine?

SWIM has read many threads and sites about rectal bioavailability of morphine, reading thats its anywhere from about the same as oral administration to even up to %70. SWIM would like to know what it really is, and if you could provide a source with your answer that would be great.
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Old 11-10-2007, 06:01
Archenemy Archenemy is offline
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Re: Rectal Bioavalability of Morphine?

With MS-Contin (Morphine Sulfate), Oral Ingestion will yeild 40% absorbtion in the gut wall (Purdue). [Source] http://www.purduepharma.com/PI/Presc.../MS_Contin.pdf *
*Under Pharmacokinetics and Metabolism

According to this site, Rectal Bioavailability in Humans is averaged at 35%
[Source]http://grande.nal.usda.gov/ibids/ind...s&therow=16908

This is the only method SWIM is unsure of, and SWIM has a hard time finding good info on it
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