Heat rash
Also called: miliaria
A skin condition caused by blocked sweat ducts and trapped sweat beneath the skin.
- Usually self-treatable
- Usually self-diagnosable
- Lab tests or imaging not required
- Short-term: resolves within days to weeks
Heat rash is common during hot, humid weather.
Common: More than 200,000 US cases per year
Consult a doctor for medical advice
Sources: Mayo Clinic and others. Learn more
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Heat rash occurs when sweat is trapped in the skin. Symptoms can range from small blisters to deep, inflamed lumps. Some forms of heat rash are very itchy.
Dec 21, 2023 · Heat rash, also called prickly heat or miliaria, is caused by blocked sweat ducts. Here's how to prevent and treat it.
Heat rash is also called sweat rash and prickly heat. Heat rash is itchy, with small red spots. Learn more about how to treat heat rash.
Treatment. Treatment for mild heat rash is cooling the skin and avoiding exposure to the heat that caused the condition. Once the skin is cool, mild heat rash ...