Miliaria: Difference between revisions
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==Background== | ==Background== | ||
*Also known as ''lichen tropicus, miliaria rubra, prickly heat'' | *Also known as ''heat rash, lichen tropicus, miliaria rubra, prickly heat'' | ||
===Pathophysiology=== | ===Pathophysiology=== | ||
*Acute inflammation of sweat ducts caused by blockage of pores by macerated skin | *Acute inflammation of sweat ducts caused by blockage of pores by macerated skin | ||
*Ducts become dilated under pressure and ultimately rupture | *Ducts become dilated under pressure and ultimately rupture | ||
*Often seen in areas of friction | |||
*This produces superficial vesicles in malpighian layer of skin on a red base | *This produces superficial vesicles in malpighian layer of skin on a red base | ||
*May progress to miliaria profunda (white papules) if duct ruptures a second time | *May progress to miliaria profunda (white papules) if duct ruptures a second time | ||
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==Clinical Features== | ==Clinical Features== | ||
[[Image:Miliaria.jpg|thumbnail|Miliaria]] | [[Image:Miliaria.jpg|thumbnail|Miliaria]] | ||
*Pruritic, maculopapular, erythematous rash over normally clothed areas of body | *[[pruritus|Pruritic]], maculopapular, erythematous [[rash]] over normally clothed areas of body | ||
==Differential Diagnosis== | ==Differential Diagnosis== | ||
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==Management== | ==Management== | ||
#[[Antihistamines]] | #[[Antihistamines]] | ||
#[[Dicloxacillin]] or [[erythromycin]] if appears superinfected | #[[Dicloxacillin]] or [[erythromycin]], if appears superinfected | ||
==Disposition== | ==Disposition== | ||
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==References== | ==References== | ||
<references/> | |||
[[Category:Environmental]] | [[Category:Environmental]] | ||
Revision as of 19:31, 28 September 2019
Background
- Also known as heat rash, lichen tropicus, miliaria rubra, prickly heat
Pathophysiology
- Acute inflammation of sweat ducts caused by blockage of pores by macerated skin
- Ducts become dilated under pressure and ultimately rupture
- Often seen in areas of friction
- This produces superficial vesicles in malpighian layer of skin on a red base
- May progress to miliaria profunda (white papules) if duct ruptures a second time
Clinical Features
Differential Diagnosis
Environmental heat diagnoses
Evaluation
- Clinical diagnosis
Management
- Antihistamines
- Dicloxacillin or erythromycin, if appears superinfected
Disposition
- Outpatient