Heat rash (prickly heat)
Heat rash (prickly heat) is uncomfortable but usually harmless. It should clear up on its own after a few days. See your GP if the rash doesn’t improve after a few days or your baby has a rash and you’re worried.
Heat rash (prickly heat) is uncomfortable but usually harmless. It should clear up on its own after a few days. See your GP if the rash doesn’t improve after a few days or your baby has a rash and you’re worried.
The symptoms of heat rash include:
The symptoms are often the same in adults and children.
It can appear anywhere on the body and spread, but it's not infectious to other people.
One of the main things to do to treat or prevent heat rash is to keep your skin cool. This is so you don't sweat and irritate the rash.
Things you can do to keep your skin cool include:
Things you can do to calm the itching or prickly rash include:
You can get advice from a pharmacist about heat rash. They can suggest the best treatment to use depending on your circumstances, for example, if you're pregnant or a child has the rash.
They might recommend:
You should see your GP if:
Heat rash is usually caused by excessive sweating.
Sweat glands get blocked and the trapped sweat leads to a rash developing a few days later.
Babies often get it because they can't control their temperature as well as adults and children can.
The information on this page has been adapted from original content from the NHS website.
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