During the long, hot days of summer-- especially with little breeze and high humidity -- it is possible for the body's natural cooling mechanisms to be overwhelmed.The signs and symptoms of heat exhaustion often begin suddenly and may include faintness, rapid-heartbeat, low blood pressure, cold and clammy skin, nausea, and in fair-skinned people, an ashen appearance. If you suspect someone is experiencing heat exhaustion, see to it that the person:
- gets out of the heat into a cool -- preferably air-conditioned -- location
- lies down with legs elevated slightly
- loosens or removes most clothing
- drinks cold water or sports drink to replenish fluids
If there is no improvement after these steps are taken, get the person to a doctor. Although heat exhaustion isn't as dangerous as heatstroke, it can quickly evolve into heatstroke. If signs of heatstroke develop -- the two key signs being a fever of 105 F or higher and hot, dry skin -- seek emergency medical help!
Taking a diuretic medication -- sometimes prescribed for high blood pressure and congestive heart failure -- may make a person more prone to heat exhaustion.
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