effect of alcohol on drug bioavailability [Study Per­for­mance]

posted by Helmut Homepage – Vienna, Austria, 2010-02-06 14:32 (5975 d 09:00 ago) – Posting: # 4723
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Dear Niraj!

❝ Dear HS,

       ^^
Not interested in the opinions of other forum members?

❝ please tell me how alcohol will affect drug bioavailability?


Mainly by increasing GI blood flow. Spirits may even lead to a pyloric spasm which will delay absorption (decrease or increase of absorption based on the properties of the drug). There is also the possibility of an interaction with metabolizing enzymes (if your drug contains an aliphatic OH-radical competitive with alcohol dehydrogenase), etc… A better release of the API from the formulation (enhanced solubility) I would consider a myth, because alcohol is one the few drugs which are very rapidly absorbed from the stomach – so nothing will be left before the absorption from the formulation will have a chance to start.

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