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Reply #19: However slowly the IV drip seems to be going in, it's going directly into your blood, [View All]

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Aristus

(1000+ posts) Send PM | Profile | Ignore

Sat Apr-03-10 01:58 AM
Response to Reply #18

19. However slowly the IV drip seems to be going in, it's going directly into your blood,

and your dehydrated system.

Water taken orally has to make what's called "first pass", the stomach, where some of the water is absorbed into the tissues there, then the small bowel, where the same thing happens again. None of it makes it past the large colon (unless you've got diarrhea) because almost the sole purpose of the large colon is to absorb (reabsorb, actually) water. That's a long trip for water to make if a doctor wants to cure your hypovolemia.

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