Dehydration Center

Dehydration is the excessive loss of body water. There are a number of causes of dehydration including heat exposure, prolonged vigorous exercise, and some diseases of the gastrointestinal tract. Symptoms of dehydration include headache, lightheadedness, constipation, and bad breath. Treatment for dehydration is to replace lost fluids and electrolytes. Read more: Dehydration Article

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Dehydration: Causes, Symptoms & Tips to Stay Hydrated See Slideshow

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Medically Reviewed by a Doctor on 9/16/2019

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