A desiccated body skin is the third common symptom of dehydration. Such symptoms as the bad smell from the mouth or feeling extra thirsty alone may not identify the dehydration. However, when accompanies by the external features such as dry skin, these symptoms have more chances to be the outcomes of dehydration. The skin loses its elasticity as well. Nip the suspected body area to see whether it becomes thin and does not return to the body quickly.

For different reasons, the patients may feel very tired and sleepy all the time. If a good rest is not helping, it might be the symptom of dehydration. A person with this disorder is rather slack due to the lack of water in the organism. As far as the fluid balance is the key to proper body functioning, the tiniest fluctuations have a significant influence on daily activities.