11 Reasons Why You Have Red Dots On Your Skin

4. Heat Rash (Miliaria)

young woman scratching upper back or neck rash on white background

A common cause of red dots on your skin is heat rash, medically known as miliaria (not malaria). Heat rash is when sweat glands get blocked, resulting in small, red, prickly bumps on the skin. They’re often itchy or uncomfortable and typically appear in areas where sweat accumulates, such as the armpits, chest, or groin.2

5. Drug Rash

Young woman scratching the itch on her hands w/ redness rash. Cause of itchy skin include dermatitis (eczema), dry skin, burned, food/drugs allergies, insect bites. Health care concept. Close up.

Drug rashes are an allergic reactions to medications and vary in severity from mild to potentially life-threatening. It’s very important to be able to identify and discontinuing using the offending medication, and medical intervention is needed in severe cases.

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