This child with miliaria rubra has many red, itchy bumps in area of redness. In miliaria rubra, the blocked sweat ducts often appear as dozens to hundreds of small pink or red bumps, all approximately the same size and shape. In miliaria rubra, the skin bumps (papules) are usually all approximately the same size and concentrated in the same skin area.
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Heat Rash or Prickly Heat (Miliaria Rubra)  A parent's guide to condition and treatment information

Picture of Heat Rash or Prickly Heat (Miliaria Rubra): This child with miliaria rubra has many red, itchy bumps in area of redness. Divider line
This child with miliaria rubra has many red, itchy bumps in area of redness.
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Overview
Heat rash (miliaria rubra), also known as prickly heat, is a rash of small, red bumps caused by blockage of the sweat glands. It can be due to high fever, excessive sweating, or being over-bundled. Heat rash is commonly seen in hot, humid tropical climates. It can cause discomfort, itching, and, sometimes, stinging or "prickly"-type pain.
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Last Modified: 22 Dec 2008
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