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If you see any of these signs, you may be dealing with a life-threatening emergency. Have someone call for immediate medical assistance while you begin cooling the victim. Do the following: Get the victim to a shady area. Cool the victim rapidly, using whatever methods you can. For example, immerse the victim in a tub...

Warning signs of heat stroke vary but may include the following: Red, hot, and dry skin (no sweating) Rapid, strong pulse Throbbing headache Dizziness Nausea Confusion Unconsciousness

Heat stroke is the most serious heat-related illness. It occurs when the body becomes unable to control its temperature: the body’s temperature rises rapidly, the sweating mechanism fails, and the body is unable to cool down. Body temperature may rise to 106°F or higher within 10 to 15 minutes. Heat stroke can cause death or...

Drink cool, nonalcoholic beverages. Rest. Take a cool shower, bath, or sponge bath. Seek an air-conditioned environment. Wear lightweight clothing.

The warning signs of heat exhaustion include the following: Heavy sweating Paleness Muscle cramps Tiredness Weakness Dizziness Headache Nausea or vomiting Fainting The skin may be cool and moist. The pulse rate will be fast and weak, and breathing will be fast and shallow. If heat exhaustion is untreated, it may progress to heat stroke....