Affects people who work or do strenuous exercises in a hot environment. To prevent it, such people should drink large amounts of cool water and add a pinch of salt to each glass of water.
Signs/Symptoms—(1) Painful muscle cramps in legs and abdomen. (2) Faintness. (3) Profuse perspiration.
Treatment—(1) Move victim to a cool place. (2) Give victim sips of salted drinking water (one teaspoon of salt to one quart of water). (3) Apply manual pressure to the cramped muscle.