When person exposes themselves to excessive heat, it can cause severe loss of body fluids and also cause the body temperature to rise. This is known as heat exhaustion and it can affect people of any age. However, it is most common in babies and the elderly people.
It mainly occurs due to a prolonged exposure to outside temperature that is higher and also very high atmospheric temperature.
It also means that direct exposure to heat from sun is not necessary. Heat exhaustion can also be caused due to heavy or strenuous manual work in environments with high temperature or high humidity. Sometimes the presence of chronic diseases and also alcohol can cause it.
When it is hot outside the body loses its heat rapidly by diverting all the available blood to the skin which causes sweating. Excessive sweating may lead to severe loss of fluids and salts, and that will result in heat exhaustion. This condition is not serious. However, if the exposure to heat continues, then the body’s normal cooling process and mechanism may break down causing the body temperature to rise further. These results in a heat stroke and this can actually turn into a life-threatening emergency.
Heat exhaustion or a heat stroke also occurs when the body temperature is above 104 degree F. A high humidity rate also increases the risk of a heat stroke because body processes like sweating are very ineffective in cooling the body. In addition, heat loss is also decreased. So, if you see symptoms of heat exhaustion, then the first thing you need to do is get some rest and drink a lot of fluids to cool down the body.
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