Which physical findings suggest miliaria crystallina?

Updated: Mar 27, 2020
  • Author: Nikki A Levin, MD, PhD; Chief Editor: Dirk M Elston, MD  more...
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Answer

Lesions are clear, superficial vesicles that are 1-2 mm in diameter.

Lesions occur in crops and are often confluent, without any surrounding erythema.

In infants, lesions tend to occur on the head, neck, and upper part of the trunk.

In adults, lesions occur on the trunk.

Lesions rupture easily and resolve with superficial branny desquamation.

See the images below.

Miliaria crystallina in an infant. Note that the l Miliaria crystallina in an infant. Note that the lesions are confluent. Courtesy of K.E. Greer, MD.
Miliaria crystallina in a newborn child. Courtesy Miliaria crystallina in a newborn child. Courtesy of K.E. Greer, MD.
Miliaria crystallina. Note the water-drop appearan Miliaria crystallina. Note the water-drop appearance of the lesions. Courtesy of K.E. Greer, MD.

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