Wednesday, 3 December 2008

I am sick due to the heat.

What are the signs and symptoms of dehydration?

The body's initial responses to dehydration are:

  1. thirst to increase water intake along with

  2. 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:

The body tries to maintain cardiac output (the amount of blood that is pumped by the heart to the body); and if the amount of fluid in the intravascular space is decreased, the body has to increase the heart rate, which causes blood vessels to constrict to maintain blood pressure. This coping mechanism begins to fail as the level of dehydration increases.

With severe dehydration, confusion and weakness will occur as the brain and other body organs receive less blood. Finally, coma and organ failure will occur if the dehydration remains untreated.

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