Heat rash is common when the mercury climbs

FALLS CHURCH, Va. — Heat rash is common in the warm summer months, but military personnel and amputees may be especially at risk. The common term “heat rash,” also known as “prickly heat,” and the medical term “miliaria,” usually refer to a collection of small, two- to four-millimeter reddish bumps on the skin.These are caused by a temporary blockage of the sweat glands, resulting in skin irritation. 

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