Understanding Heat Rash
Also known as miliaria, heat rash affects us all in hot, humid weather. This time of year, it is one of the most talked about skin conditions that we see at Skin Wellness Dermatology of Alabama. So what makes those the little blisters and bumps pop up at the end of a day in the sun? Occluded sweat glands. When our pores get blocked or full, perspiration is trapped under the skin. Instead of evaporating, perspiration causes inflammation and rash. This can happen from wearing tight, non-breathable fabrics in the sun; from sweating profusely; or from applying thick, heavy moisturizers or sunscreens. Friction will make it worse. Adults often find heat rash in folds of skin and in places where clothing rubs on perspiring skin. …