The signs and symptoms of dehydration for infants or young children
- Dry mouth and tongue
- No tears when crying
- No wet diapers for three hours
- Sunken eyes, cheeks
- Sunken soft spot on top of skull
- Listlessness or irritability
The signs and symptoms of dehydration for adults
- Extreme thirst
- Less frequent urination
- Dark-colored urine
Certain people has greater chance to get dehydrated:
- Infants and children. Because they are the most likely to experience severe diarrhea and vomiting.
- Older adults. Older adults' ability to conserve water is reduced and their thirst sense becomes less acute.
- People with chronic illnesses.
- People who work or exercise outside.