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Heat rash (prickly heat)


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Heat rash causes small, itchy raised spots anywhere on the body.

You can ease heat rash by keeping your skin cool. A damp cloth, ice pack (wrapped in a tea towel) or medicines from a pharmacy can help any itchiness.

Heat rash can happen if your sweat glands become blocked and sweat gets trapped in them.

Heat rash, also called prickly heat, is a rash that's usually caused by sweating a lot.

Page last reviewed: 08/05/2024
Next review due: 08/05/2027