Difference between revisions of "Miliaria"

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==Background==
 
==Background==
*Also known as ''lichen tropicus, miliaria rubra, prickly heat''
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*Also known as ''heat rash, lichen tropicus, miliaria rubra, prickly heat''
*Pruritic, maculopapular, erythematous rash over normally clothed areas of body
 
[[Image:Miliaria.jpg|thumbnail|Miliaria]]
 
  
 
===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==
 +
[[Image:Miliaria.jpg|thumbnail|Miliaria]]
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*Pruritic, maculopapular, erythematous rash over normally clothed areas of body
  
 
==Differential Diagnosis==
 
==Differential Diagnosis==
 
{{Template:Heat Emergencies}}
 
{{Template:Heat Emergencies}}
  
==Treatment==
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==Evaluation==
#Antihistamines
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*Clinical diagnosis
#Dicloxacillin or erythromycin if appears superinfected
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 +
==Management==
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#[[Antihistamines]]
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#[[Dicloxacillin]] or [[erythromycin]], if appears superinfected
 +
 
 +
==Disposition==
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*Outpatient
  
 
==See Also==
 
==See Also==
 
*[[Heat Emergencies]]
 
*[[Heat Emergencies]]
  
==Source==
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==References==
Tintinalli
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<references/>
 
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[[Category:Environmental]]
[[Category:Environ]]
 

Latest revision as of 02:13, 21 July 2017

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

Miliaria
  • Pruritic, maculopapular, erythematous rash over normally clothed areas of body

Differential Diagnosis

Environmental heat diagnoses

Evaluation

  • Clinical diagnosis

Management

  1. Antihistamines
  2. Dicloxacillin or erythromycin, if appears superinfected

Disposition

  • Outpatient

See Also

References