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dehydration ?

does anyone know how long it will take to become severaly dehydrated if you dont drink anything? my sister is sick and wont drink or eat. im just wondering how long it takes to become vary ill, she may already be badly dehydrated but not sure.

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  • 1 decade ago
    Favorite Answer

    dehydration happens fairly quickly, three days. The body must have moisture, after four days you can die without water.

    Source(s): RN
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