Which clinical history findings are characteristic of miliaria profunda?

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

This form occurs in individuals who usually live in a tropical climate and have had repeated episodes of miliaria rubra.

Lesions develop within minutes or hours after the stimulation of sweating. These lesions resolve quickly, usually in less than an hour after the stimulus that causes sweating is removed.

The lesions are asymptomatic.

Patients may report increased sweating in unaffected skin; swollen lymph nodes; hyperpyrexia; and symptoms of heat exhaustion, which include dizziness, nausea, dyspnea, and palpitations.

A rare giant centrifugal variant of miliaria profunda has been reported in 2 infants, each at about age 3 months, who presented with symmetrical asymptomatic lesions on the trunk and extensor extremities after a low-grade fever. Unlike most forms of miliaria, the lesions in these children persisted for months. [27]


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