Can Dehydration Cause a Fever? What You Need to Know
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4 min read
According to the National Council on Aging, even a mild fluid loss of 1% to 2% can impair concentration and affect brain function. In more severe cases, **can dehydration cause a fever** or, more accurately, a rise in body temperature (hyperthermia) due to the body's impaired ability to regulate its own cooling mechanisms.