It is usually possible to identify astate of dehydration due to the onset of diarrhea and persistent vomiting, or loss of fluid in the urine or skin. Symptoms associated with severe dehydration are pale skin, cold and clammy to the touch, heart rate low and fast, deep breathing and accelerated blood pressure dangerously low. Some people may also be anxious and agitated and complaining of thirst. The skin of the knees and elbows can become mottled.
Some signs might suggest a baby is dehydrated:
* No tears when crying,
* Dry mouth,
* The top of his skull could sink slightly
* A layer that is not wet for more than eight hours.