: Small, itchy spots that may look like tiny beads of sweat or acne.
: A distinct "prickly" feeling on the skin, often accompanied by burning or itching.
: The affected area often becomes red and swollen.
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
: In more severe cases, you might notice deeper, flesh-colored lumps. Treatment & Home Remedies
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:
