Miliaria crystallina - chest and arm

Miliaria crystallina occurs when sweat is retained in the pores of the skin, producing tiny, clear blisters that break easily. There is no associated inflammation, so no redness is present under or around the blisters. This condition often occurs in newborn infants and can cover an extensive area of the body.

Review Date: 11/6/2023
Reviewed By: Neil K. Kaneshiro, MD, MHA, Clinical Professor of Pediatrics, University of Washington School of Medicine, Seattle, WA. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.

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