Dehydration wikipedia - Search
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  1. SymptomsIncreased thirst, tiredness, decreased urine, dizziness, headaches, and confusion

    Dehydration - Wikipedia

    • In physiology, dehydration is a lack of total body water that disrupts metabolic processes. It occurs when free water loss exceeds intake, often resulting from excessive sweating, health conditions, or inadequate consumption of water. Mild dehydration can also be caused by immersion diuresis, which may increase risk of decompression sickness in diver… See more

    Signs and symptoms

    The hallmarks of dehydration include thirst and neurological changes such as headaches, general discomfort, loss of appetite, nausea, decreased urine volume (unless polyuria is the cause of dehydration), confusion, … See more

    Cause

    Risk factors for dehydration include but are not limited to: exerting oneself in hot and humid weather, habitation at high altitudes, endurance athletics, elderly adults, infants, children and people living with chronic illnesses. … See more

    Mechanism

    Water content of a human body varies from 70-75% in newborns to 40% and less in obese adults, an average value of 60% is suggested. Within the body, water is classified as intracellular fluid or extracellula… See more

    Diagnosis

    Dehydration occurs when water intake does not replace free water lost due to normal physiologic processes, including breathing, urination, perspiration, or other causes, including diarrhea, and vomiting. Dehydratio… See more

    Prevention

    For routine activities, thirst is normally an adequate guide to maintain proper hydration. Minimum water intake will vary individually depending on weight, energy expenditure, age, sex, physical activity, environme… See more

    Treatment

    The most effective treatment for minor dehydration is widely considered to be drinking water and reducing fluid loss. Plain water restores only the volume of the blood plasma, inhibiting the thirst mechanism before solut… See more

    Prognosis

    The prognosis for dehydration depends on the cause and extent of dehydration. Mild dehydration normally resolves with oral hydration. Chronic dehydration, such as from physically demanding jobs or decreased … See more

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