Stay out of tanning booths. Heat Stroke Heat stroke, caused by prolonged exposure to the sun or heat, or a combination of heat and strenuous physical exertion, is a disturbance in the body's heat regulating system. It results in the loss of water and minerals from the body. During severe heat stroke, the body becomes so overheated that sweat glands and other organs don't function normally. Symptoms include weakness, dizziness, headache, nausea, and high fever which can lead to loss of consciousness.
Heat stroke is a life-threatening condition.
Seek immediate medical attention. Take breaks often and drink plenty of water. Heat exhaustion is caused by the failure to adjust to extended exposure to high heat. Symptoms include weakness, dizziness, headache, and nausea along with blurred vision and mild muscle cramps. The skin becomes damp and cold and profuse sweating may be present.