why does dehydration occur?

Asked by duttaneelanjana | 11th Jul, 2009, 02:09: AM

Expert Answer:

In humans, dehydration can be caused by a wide range of diseases and states that impair water homeostasis in the body. Dehydration can be caused by losing too much fluid, not drinking enough water or fluids, or both. Vomiting and diarrhea are common causes. The body may lose too much fluids from vomiting or diarrhea,  excessive urine output such as with uncontrolled diabetes or diuretic use, excessive sweating (for example, from exercise) , fever etc. You might not drink enough fluids because of nausea, loss of appetite due to illness, sore throat or mouth sores, fasting etc. Infectious diseases such as cholera, gastroenteritis or shigellosis can also lead to dehydration. 

Answered by  | 13th Jul, 2009, 08:01: AM

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