As it's name suggests, heat rash is caused by the skin
overheating. The sweat glands get blocked. It is also called prickly heat and miliaria rubra.
What does heat rash look like?
It usually affects the face or skin that is covered by clothing. There are small raised red spots that may look like small blisters. The rash is itchy - which is why it's called prickly heat - it feels like prickles under the skin.
Who gets heat rash?
It is common in babies but is also a rash that can occur in children.
What is the treatment of heat rash?
The only treatment is cooling and avoidance of overheating. Give your child a cool bath and use light cotton clothing that is not too tight.