Heatstroke, or sunstroke, is the most severe heat-related illness and a fast-developing medical emergency. If left untreated, it can lead to rapid and severe damage to the brain, heart, kidneys, muscles, and even death.
Heatstroke typically develops after milder heat-related illnesses like heat cramps, fainting, and heat exhaustion. If one can cool down within 30 minutes, these milder conditions don’t require emergency medical care. However, heatstroke can occur suddenly or gradually, even without prior signs of heat injury.
