Skip to main contentSkip to main content

Heat rash (prickly heat)

Overview

Open all pages about Heat rash (prickly heat)

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.

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 excessive sweating.

Page last reviewed: 15/02/2021
Next review due: 15/02/2024