Heat rash, or prickly heat, happens when your sweat glands get blocked, trapping sweat under your skin instead of letting it evaporate. This leads to irritation that typically shows up in areas where skin rubs together or clothing is tight, like the neck, groin, or underarms.
Symptoms can vary depending on how deep the sweat is trapped, but generally include: 2022---Heat-rash---Symptoms--Treatment---Prevention
: Small, itchy spots that may look like tiny beads of sweat or acne. Heat rash, or prickly heat, happens when your
: The affected area often becomes red and swollen. : The affected area often becomes red and swollen
: In more severe cases, you might notice deeper, flesh-colored lumps. Treatment & Home Remedies
Most cases clear up within 2 to 4 days if you keep the area cool and dry. Heat Rash Prickly Heat (Sweat Rash) Symptoms & Treatment