Daily Bolus of LR: Pityriasis Rosea

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July 1, 2011 by dailybolusoflr

Pityriasis Rosea

* This is a relatively common rash that classically presents with a “herald patch”
* The herald patch is often present alone for 1-2 weeks
* Smaller patches may appear, often on the trunk
* The test question or picture often shows a Christmas tree pattern on the pack
* Patches rarely occur on the face/scalp/palms/soles
* It is usually itchy
* The most commonly affected individuals are young between the ages of 10-40 and pregnant women
* The cause is unclear, but does not appear to contagious
* There is no known treatment and the rash goes away on its own
* The only treatments are typically reassurance and comfort measures for itching

You can see a herald patch and smaller lesions here


and a Christmas tree distribution here

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