Rinse skin with cool water. Wash regularly to keep skin clean and dry. If the skin blisters seek medical aid. People with fair skin should be especially cautious. Painful cramps in arms, legs or stomach which occur suddenly at work or later at home.
Cramps are serious because they can be a warning of other more dangerous heat-induced illnesses.
If the cramps are severe or don't go away, seek medical aid. Fainting may be due to a heart attack or other illness. Drink fluids regularly. Workers should check on each other to help spot the symptoms which often precede heat stroke. Inadequate salt and water intake causes a person's body's cooling system to start to break down.