In the instance of heat exhaustion, the person will be dehydrated. Heat exhaustion: Loss of fluids and electrolytes can also produce a condition where there is nausea, dizziness, weakness, cramps, headache and fainting. Drinking a cool drink with added electrolytes or green coconut juice will speed recovery. Heat cramps: Excessive loss of fluids from sweating on very hot days can cause heat cramps due to a deficiency in electrolytes. Young children and the elderly are most at risk, but anyone can suffer, so caution is advised. Certain illnesses can make an individual more prone to heat exhaustion as well as drinking alcohol or other stimulants. This is caused not only by high atmospheric temperatures but by over-exposure to the sun, or performing manual work during high temperatures and high humidity. Overexposure to the sun, especially here in New Zealand with the lack of ozone layer, when we are exposed to excessive heat, can cause loss of fluids leading to dehydration, low electrolytes and an increase in body temperature. When the dog days of summer arrive, it’s important to protect not only against sunburn but heat exhaustion and heatstroke.
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