Miliaria Crystallina: What is it? | Stanford Medicine 25 | Stanford Medicine - adult miliaria

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Prickly Heat: Treatments, Causes, and More adult miliaria


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.

Feb 19,  · Miliaria rubra is the most common form of miliaria. It is seen in children and in up to 30% of adults who move to a tropical environment or are unexpectedly exposed to heat and humidity. Miliaria profunda is rare and presents in adult males. It is a complication of repeated episodes of miliaria rubra.

Miliaria is a dermatologic manifestation of occluded eccrine sweat glands. Two features are needed for development of the rash: an anatomical blockage of the duct and a stimulus for sweat production.