Dehydration occurs when the body loses too much water. This can occur if a child loses large amounts of fluid through diarrhea, vomiting, or sweating. Dehydration decreases the amount of blood that circulates to the child's organs. Severe dehydration can cause shock, a life-threatening condition.
Dehydration in small children can develop rapidly and be very dangerous. Watch closely for early signs of dehydration any time your child has a high fever, vomiting, diarrhea, or is too sick to drink.
A young child will not be able to tell you if he or she is feeling dehydrated, so you must look for the symptoms.
A child with mild dehydration:
A child with moderate dehydration:
Severe dehydration is a medical emergency. Call911or other emergency services immediately.
A child with severe dehydration:
| Author | Jan Nissl, RN, BS |
| Editor | Susan Van Houten, RN, BSN, MBA |
| Editor | Sydney Youngerman-Cole, RN, BSN, RNC |
| Associate Editor | Tracy Landauer |
| Primary Medical Reviewer | William M. Green, MD - Emergency Medicine |
| Specialist Medical Reviewer | H. Michael O'Connor, MD - Emergency Medicine |
| Last Updated | July 6, 2007 |
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