In miliaria rubra, blocked sweat glands cause small, red skin bumps. In miliaria rubra, the blocked sweat ducts often appear as hundreds of small pink or red bumps, all approximately the same size and shape.
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Picture of Prickly Heat (Miliaria Rubra): In miliaria rubra, blocked sweat glands cause small, red skin bumps. Divider line
In miliaria rubra, blocked sweat glands cause small, red skin bumps.
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Who's At Risk
Prickly heat is common in over-bundled infants in the winter and those who have recently moved to a hot and humid climate. 
Last Modified: 3 Mar 2008
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