Heat rash — also known as prickly heat and miliaria — isn't just for babies. It affects adults, too, especially during hot, humid weather. mayoclinic.org
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Heat rash develops when some of your sweat ducts clog. Instead of evaporating, perspiration gets trapped beneath the skin, causing inflammation and rash.
Immature sweat ducts
Prolonged bed rest
More-severe forms of heat rash may require ointments you apply to your skin to relieve discomfort and prevent complications. Such topical treatments may include:
Not medical advice. Consult a doctor for medical advice.
© Mayo Clinic
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