Video: Heat illnesses
Stay safe in the heat. Know the symptoms of heat exhaustion and heat stroke.
Last Reviewed: 25/01/2019
Heat stroke and heat exhaustion
When your body can't keep itself cool you can develop heat illnesses, ranging from heat cramps to heat exhaustion and, most serious of all, heat stroke. Some people are more prone to heat illnesses than others.
Heat rash or prickly heat
Heat rash or prickly heat is caused by blockage of sweat glands during times of high heat or humidity, causing itching or prickling of the skin.
Dehydration and hot weather
Dehydration is the loss of water and salts from the body. You are at particular risk of dehydration during hot weather.