Heat cramps usually affect people who sweat a lot during strenuous
activity. This sweating depletes the body's salt and moisture. The low
salt level in the muscles may be the cause of heat cramps. Heat cramps
may also be a symptom of heat exhaustion.
Recognizing Heat Cramps
Heat cramps are muscle pains or spasms-usually in the abdomen, arms, or
legs-that may occur in association with strenuous activity. If you have
heart problems or are on a low-sodium diet, get medical attention for
What To Do
If medical attention is not necessary, take these steps:
Stop all activity, and sit quietly in a cool place.
Drink clear juice or a sports beverage.
Do not return to strenuous activity for a few hours after the cramps subside, because further exertion may lead to heat exhaustion or heat stroke.
Seek medical attention for heat cramps if they do not subside in 1 hour.