Lifestyle
Heatstroke often manifests with a body temperature of 104°F (40°C) or higher.
A severe, throbbing headache is a common symptom of heatstroke.
Nausea and vomiting are common symptoms, often accompanying heatstroke.
The heart rate and breathing may increase as the body tries to cool down.
Muscles may feel weak or cramps due to dehydration and electrolyte imbalance.
Skin may become flushed, hot to the touch, and dry due to dehydration.