Headache
Nausea
Muscle cramping (calf is very common location)
Multiple cramping (very serious)
Profuse sweating
Cold, clammy skin
Normal or lightly elevated temperature
Pale
Dizzy
Weak, rapid pulse
Shallow breathing
Nausea
Headache
Loss of consciousness
Thirst
Generally no perspiration
Dry skin
Very hot
Temperature as high as 106F (41.1C)
Skin color bright red of flushed (dark – pigmented individuals will have ashen skin)
Rapid, strong pulse
Labored breathing
Chang in behavior
Unresponsive