If stranded
Walking in the desert
Heat illness
The 3 commonly identified types of illness resulting from exposure to the desert heat include:
The symptoms, becoming progressively more serious, range from abdominal cramps and muscle spasms (Heat Cramps) to nausea, dizziness, headache, weakness, goose bumps, and cold, clammy skin (Heat Exaustion) to mental confusion or loss of consciousness with hot dry skin and no sweating (Heat Stroke). The categories may overlap. Heat Stroke can be fatal.