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  1. Dehydration - Signs, Symptoms, Causes, and Prevention - WebMD

    Aug 5, 2025 · I n children, dehydration is based on how much body weight they've lost due to a lack of fluids. Mild dehydration: This causes symptoms such as thirst, less peeing and …

  2. Dehydration - Symptoms & causes - Mayo Clinic

    May 2, 2025 · Anyone can become dehydrated. But the condition is more serious for infants, children and older adults. The most common cause of dehydration in young children is …

  3. Dehydration - Wikipedia

    In physiology, dehydration is a lack of total body water that disrupts metabolic processes. [3] . It occurs when free water loss exceeds intake, often resulting from excessive sweating, health …

  4. Recognizing Dehydration Symptoms: Key Signs to Watch Out For

    Oct 14, 2025 · Dehydration occurs when your total body water content is low. It can happen when you don't drink enough or lose a lot of fluids due to exercise, heat, diarrhea, or other reasons. …

  5. Dehydration: Symptoms, Diagnosis, Treatment, and More

    Sep 28, 2025 · Dehydration occurs when your body loses more fluids than it takes in. It is a common problem that can affect someone of any age, but dehydration is particularly prevalent …

  6. DEHYDRATE Definition & Meaning - Merriam-Webster

    The meaning of DEHYDRATE is to remove bound water or hydrogen and oxygen from (a chemical compound) in the proportion in which they form water. How to use dehydrate in a …

  7. Dehydration: MedlinePlus Medical Encyclopedia

    Aug 5, 2023 · Dehydration occurs when your body does not have as much water and fluids as it needs. Dehydration can be mild, moderate, or severe, based on how much of your body's fluid …