How to prevent heat exhaustion and heat stroke

Muscle cramping might be the first sign of heat-related illness, and may lead to heat exhaustion or stroke. Here is how you can recognize heat exhaustion and heat stroke and what to do:

Heat Exhaustion


Heavy sweating


Cold, pale, and clammy skin

Fast, weak pulse

Nausea or vomiting


What You Should Do:

Move to a cooler location.

Lie down and loosen your clothing.

Apply cool, wet cloths to as much of your body as possible.

Sip water.

If you have vomited and it continues, seek medical attention immediately.

Heat Stroke

High body temperature (above 103°F)*

Hot, red, dry or moist skin

Rapid and strong pulse

Possible unconsciousness

What You Should Do:

Call 911 immediately — this is a medical emergency.

Move the person to a cooler environment.

Reduce the person's body temperature with cool cloths or even a bath.

Do NOT give fluids.

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