Geriatrics and Aging. 2007;10(9):590-596. Three forms of dehydration can be distinguished on the basis of the plasma tonicity: hypertonic, isotonic, and hypotonic dehydration. Many studies on ...

Dehydration often causes extreme thirst, fatigue, and dark urine. It can become serious and lead to hospital admission. Before becoming serious, dehydration is often treatable and preventable with ...