Dehydration happens when your body loses more fluid than it takes in, from heat, exercise, vomiting, diarrhea or not drinking enough. This article is general information, not medical advice.
1. Key points
Signs include thirst, dark urine, less urination, dry mouth, tiredness and dizziness.
Children and older adults are at higher risk.
Drinking fluids is the main treatment for mild cases.
Severe dehydration is a medical emergency.
2. Prevention
Drink regularly, especially in heat and during exercise, and replace fluids lost to illness.
See also
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References
officialDehydration — MedlinePlus, U.S. National Library of Medicine
A cited source does not by itself make every claim verified.
