Heat cramps result from an electrolyte imbalance that can occur with exercise or from working in a hot environment. Learn more from WebMD about symptoms and treatment.

Ask the Doctors: How to avoid, recognize, treat heat illness — cramps, exhaustion, stroke To avoid heat-related illness, choose activities appropriate for the day’s weather.

Heat rash, sunburn, heat cramps, heat exhaustion, and heat stroke. While heat rash and sunburn are bothersome, these typically do not require medical attention.

What happens to a human body in extreme heat? 05:52 The grim toll of extreme heat can add up. A recent study analyzed data from across Europe during last year's record-hot summer and concluded ...

Heat exhaustion symptoms. Heat exhaustion follows heat cramps. Heat exhaustion can then lead to heat stroke. Symptoms of heat exhaustion include muscle cramps, heavy sweating, dizziness, headache ...