What is heatstroke?
A person with heat stroke has a fever over 104 degrees F (40 C) and symptoms of brain malfunction, caused by exposure to a hot environment. A hot environment or intense exercise elevate the body temperature, and the body is unable to release the heat fast enough to keep the body temperature in a normal range. As a result, the body temperature rises so high that the brain malfunctions.

What are the symptoms of heatstroke?
Symptoms of heat syncope include fainting, dizziness, dry mouth, excessive thirst, sweating may be absent, fatigue, headache, nausea, and vomiting. Other symptoms include difficulty speaking, difficulty walking, hallucinations, confusion, and lethargy.

How does the doctor treat heatstroke?
Treatment of heat syncope includes removing clothing, tepid water bathing or sponge bath, cooling blanket, medications to inhibit shivering, cold compresses, encourage oral fluids, intravenous fluids, cardiac monitoring, and resting in a cool environment.