Prickly heat: Heat rash (prickly heat) is a

Heat rash (prickly heat) is a skin irritation caused by sweat trapped under the surface. Learn how to prevent and treat it, and when to see a doctor. Heat rash or prickly heat is a skin problem caused by blocked sweat ducts. It can be itchy and uncomfortable, but it is not serious and can be treated by keeping cool and dry. Heat rash happens when sweat ducts get blocked, causing itchy red or dark bumps on the skin. To relieve heat rash, take a cool bath and stay in an air-conditioned area. Wear light, loose-fitting clothing to help prevent heat rash in hot weather. Heat rash, is a common heat-related disorder that occurs when the skin's sweat glands become blocked and swell, leading to inflammation and discomfort. It is characterized by small, itchy bumps or blisters, redness, and a prickling or stinging sensation on the skin. Heat rash typically occurs in hot and humid weather, and is more common in areas with high temperatures and humidity. It can affect anyone, regardless of age or gender, and is often seen in individuals who engage in strenuous ...