dehydration symptoms wikipedia
The body's initial responses to dehydration are thirst to increase water intake along with decreased urine output to try to conserve water. The urine will become concentrated and more yellow in color. As the level of water loss increases, more symptoms can become apparent. The following are further signs and symptoms of dehydration: 1  dry mouth. 2  the eyes stop making tears. 3  muscle cramps. 4  nausea and vomiting. 5  heart palpitations.