Symptoms
Small, itchy, red bumps, typically on covered areas of skin, worsened by heat and sweating.
Cause
Blocked sweat ducts trapping sweat under the skin, common in hot, humid weather.
Prevention
Wear loose, breathable cotton clothing, stay cool and dry, avoid excessive heat exposure.
Treatment
Stay in a cool environment, wear loose breathable clothing, keep skin dry, use calamine or prickly heat powder.
See a doctor if
The rash becomes painful, shows signs of infection, or doesn't improve after a few days in a cooler environment.
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Frequently Asked Questions
What are the early symptoms of Heat Rash (Prickly Heat)?
Small, itchy, red bumps, typically on covered areas of skin, worsened by heat and sweating.
What causes Heat Rash (Prickly Heat)?
Blocked sweat ducts trapping sweat under the skin, common in hot, humid weather.
How can Heat Rash (Prickly Heat) be prevented?
Wear loose, breathable cotton clothing, stay cool and dry, avoid excessive heat exposure.
What is the treatment for Heat Rash (Prickly Heat)?
Stay in a cool environment, wear loose breathable clothing, keep skin dry, use calamine or prickly heat powder.
When should I see a doctor for Heat Rash (Prickly Heat)?
The rash becomes painful, shows signs of infection, or doesn't improve after a few days in a cooler environment.
Reviewed by the Swasthya Suchi pharmacy team for general accuracy · Last updated: 2026-08-10