Pityriasis rosea
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| ICD-10
| L42
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| ICD-O:
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| ICD-9
| 696.3
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| OMIM
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Pityriasisrosea is a skin diseasemarked by patches of pink, oval rash. Although its exact cause is unknown and its onset is not linked to food, medicines or stress, it is thought that this non-infectious condition is set off by a virus. Pityriasis rosea can occur at any age, however, it occurs most often in teenagers and young adults. Symptoms only recur in 3% of the affected.
Symptoms
The symptoms of this condition include:
- Pink and flaky rash shaped like an oval
- A single "herald" patch may occur 1 to 20 days before smaller, more numerous patches of rash
- Often occurs in patches arranged in a triangular pattern, like a "Christmas tree"
- May itch
- May be accompanied by headache, feverand fatigue
These rashes are often found on the back, chest, and stomach. Rarely does it affect the limbs and extremities, though in some cases it might. Usually it does not affect the face; however a few blemishes may be found on the cheeks.
Treatments
Although there is no cure for pityriasis rosea, in most cases the condition goes away by itself without any treatment. Ultraviolet light treatment or phototherapymay shorten the duration of the condition and may be prescribed for extensive and persistent cases of pityriasis. Corticosteroidcreams may also be prescribed to relieve the itching.
Pityriasis rosea usually lasts between 6 to 12 weeks - the rashes disappear without scarring. In people with dark complexion, however, pale discolorations may last for several months afterwards.
Although pityriasis rosea may occur in more than one person in a household at a time, it is not thought to be highly contagious.
External links
- eMedicine - Pityriasis rosea
- HealthInPlainEnglish - Pityriasis rosea
- DermNet NZ - Pityriasis rosea
- MedLine Plus
- Links to pityriasis rosea pictures (Hardin MD/Univ of Iowa)de:Schuppenröschen
fr:Pityriasis rosé de Gibert
nl:Pityriasis rosea
This article is licensed under the GNU Free Documentation License. It uses material from the http://en.wikipedia.org/wiki/Pityriasis+rosea Wikipedia article Pityriasis rosea.
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