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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Who's At Risk
Heat rash is seen in individuals who have a fever or those who have recently moved to a hot, humid climate. As many as 30% of those who move to a tropical environment experience this condition. Heat rash can be due to high fever, excessive sweating, or being over-bundled. It occurs in individuals of all races, although to a lesser degree in Asians.
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Last Modified: 22 Dec 2008
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