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There's no specific time that an IV can remain in your vein. Hopefully as long as you're receiving intravenous fluids. However, in some cases if the fluids must continue sufficiently long to cause the veins to break, or roll, or otherwise become unable to further support an IV needle, then it becomes necessary to perform what doctors call a "cut down," in which a niche is made elsewhere, usually in the neck, and the new IV needle placed there.

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14y ago

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