Step I why does hyperthyroid give you diarhea

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Ramoray

Ramoray

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I remember wondering about this the first time i learned about thyroid path stuff and now reviewing it again and seeing it in robbins, harrisons, and any source i can find it always mentions hyperthyroid causing diarhea.. i cant even spell that word right damnit.. anyway, i dont understand why. The only reasons they give is a decrease transit time in the GI. But to me, a hyperthyroid increasing Beta receptors everywhere, which would increase sympathetic type stuff everywhere, should not increase GI motility but decrease it. I would think GI motility would be slowed is what im trying to say. Anyone explain this? thanks
 
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Ramoray said:
I remember wondering about this the first time i learned about thyroid path stuff and now reviewing it again and seeing it in robbins, harrisons, and any source i can find it always mentions hyperthyroid causing diarhea.. i cant even spell that word right damnit.. anyway, i dont understand why. The only reasons they give is a decrease transit time in the GI. But to me, a hyperthyroid increasing Beta receptors everywhere, which would increase sympathetic type stuff everywhere, should not increase GI motility but decrease it. I would think GI motility would be slowed is what im trying to say. Anyone explain this? thanks
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Connecting the dots...I would reason that increasing sympathetics decreases GI digestive capacity...so all this partially digested "crap" is hanging around in your colon increasing the osmolarity, drawing in water, and possibly resulting in diarrhea. B-receptors would decrease mass movements though, correct? I can't reason that out...the submucosal and myenteric plexuses are a complicated "brain."

Just tell your patients that it's caused by a Prostaglandin imbalance😀
 
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wierd, thanks guys. atleast it makes you feel better when something is uknown. at that point you realize you are forced to just know it. thank for theinput
 
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