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What EXACTLY happens when water is consumed on an empty stomach?

by (117)
Updated about 4 hours ago
Created October 01, 2013 at 9:55 AM

I am looking for information on the exact processes that occur when water is consumed on an empty stomach. Hopefully the information will help with a problem I have.

Example questions:

Is acid, gastrin, or anything else secreted?

How long will it take to empty into the intestines (ml/minute)?

Thanks, guys.

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117 · October 01, 2013 at 6:06 PM

Yeah that makes sense. I wonder if the act of producing acid is causing my bloating.

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10176 · October 01, 2013 at 12:35 PM

You stomach is not really empty, but is already full. When the water arrives it has to leave fairly quickly, starting within 5 minutes into the small intestine, and more or less all gone in half an hour.

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8574 · October 01, 2013 at 12:08 PM

I would assume that consuming water on an empty stomach could cause the stomach to release more HCL, due to the water causing the pH to rise. Chemoreceptors in the stomach detect the rise in pH and signal the production of more acid. Then since there is little solid mass to liquefy and there is little substrate to trigger specific gastric juices and enzymes (i.e. pepsin), it would start emptying into the small intestine pretty rapidly.

0104d134c517031678cb90bb2919b5d3
117 · October 01, 2013 at 6:06 PM

Yeah that makes sense. I wonder if the act of producing acid is causing my bloating.

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