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'''For patient information, click [[Pityriasis rosea (patient information)|here]]'''
{{DiseaseDisorder infobox |
{{DiseaseDisorder infobox |
   Name        = Pityriasis rosea |
   Name        = Pityriasis rosea |
   Image      = Pityriasis rosea.JPG |
   Image      = Pityriasis rosea.JPG |
   Caption    = An oval rash of Pityriasis Rosea |
   Caption    = An oval rash of Pityriasis Rosea |
}}
}}
{{Search infobox}}
{{Pityriasis rosea}}
{{CMG}}
{{CMG}}; {{AE}} {{KS}}
 
==[[Pityriasis rosea overview|Overview]]==
==Overview==
 
'''Pityriasis rosea''' is a [[skin disease]] marked 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 essentially non-contagious condition is set off by a [[virus]].  Pityriasis rosea can affect members of either sex of any age. However, it is most common in females and those between the ages of 8 and 35.  Symptoms only recur in 3% of the affected.
 
== Diagnosis ==  


=== Symptoms ===
==[[Pityriasis rosea historical perspective|Historical Perspective]]==
The symptoms of this condition include:


* Pink and flaky oval-shaped [[rash]], similar to [[ringworm]]
==[[Pityriasis rosea classification|Classification]]==
* A single "herald" patch may occur 1 to 20 days before smaller, more numerous patches of [[rash]].  It has also been known for the "herald" patch either not to be noticed or not to exist.  Other "herald" patches may appear as a cluster of smaller oval spots rather than a single patch.
* Often occurs in patches arranged in a triangular pattern, like a "Christmas tree"
* 25% of people with Pityriasis Rosea get mild to severe itching.  This fades as the [[rash]] develops
* May be accompanied by [[headache]], [[fever]], [[nausea]] and [[Fatigue (physical)|fatigue]]
* Other less common symptoms include reduction in sweat gland activity and the clearance of [[acne]]


These rashes are often found on the back, [[chest]] / [[stomach]], inner thighs, inner upper arms and inner forearms. It has been seen occasionally on the palms of the hands. Usually it does not affect the face; however a few blemishes may be found on the cheeks.
==[[Pityriasis rosea pathophysiology|Pathophysiology]]==


=== Physical Examination ===
==[[Pityriasis rosea causes|Causes]]==


==== Skin ====
==[[Pityriasis rosea differential diagnosis|Differentiating Pityriasis rosea from other Diseases]]==


[[Image:pityriasis rosea.jpg|thumb|200px|left|Pityriasis rosea<ref>http://picasaweb.google.com/mcmumbi/USMLEIIImages/photo#5089143316040429010</ref>]]
==[[Pityriasis rosea epidemiology and demographics|Epidemiology and Demographics]]==
{{clr}}


== Treatments ==
==[[Pityriasis rosea risk factors|Risk Factors]]==
Although there is no cure for pityriasis rosea, in most cases the condition goes away by itself without any treatment.  [[Ultraviolet light]] treatment or [[phototherapy]] may shorten the duration of the condition and may be prescribed for extensive and persistent cases of pityriasis.  [[Corticosteroid]] creams may also be prescribed to relieve the [[itching]].


Pityriasis rosea usually lasts between 8 to 10 weeks — the rashes disappear without scarring.  In people with dark complexions, however, hyperpigmented discolorations may last for several months afterwards.
==[[Pityriasis rosea natural history, complications and prognosis|Natural History, Complications and Prognosis]]==
==Diagnosis==
[[Pityriasis rosea history and symptoms|History and Symptoms]] | [[Pityriasis rosea physical examination|Physical Examination]] | [[Pityriasis rosea laboratory findings|Laboratory Findings]] | [[Pityriasis rosea other imaging findings|Other Imaging Findings]] | [[Pityriasis rosea other diagnostic studies|Other Diagnostic Studies]]


Although Pityriasis rosea may occur in more than one person in a household at a time, it is not thought to be highly contagious.
==Treatment==
[[Pityriasis rosea medical therapy|Medical Therapy]] | [[Pityriasis rosea primary prevention|Primary Prevention]] | [[Pityriasis rosea secondary prevention|Secondary Prevention]] | [[Pityriasis rosea cost-effectiveness of therapy|Cost-Effectiveness of Therapy]] | [[Pityriasis rosea future or investigational therapies|Future or Investigational Therapies]]


Dogs and bears are known to be afflicted by Pityriasis rosea quite frequently
== Case Studies ==
[[Pityriasis rosea case study one|Case #1]]


==See also==
==Related Chapters==
* [[Ringworm]]
* [[Ringworm]]
* [[Pityriasis]] - for list of similarly named flaky skin conditions
* [[Pityriasis]] - for list of similarly named flaky skin conditions


==References==
==External Links==
<references/>
 
==External links==
* [http://www.healthinplainenglish.com/health/skin/pityriasis_rosea/index.htm HealthInPlainEnglish - Pityriasis rosea]
* {{DermNet|viral/pityriasis-rosea}}
* {{DermNet|viral/pityriasis-rosea}}
* [http://www.lib.uiowa.edu/hardin/md/pityriasis.html Links to pityriasis rosea pictures (Hardin MD/Univ of Iowa)]
* [http://www.goaskalice.columbia.edu/1115.html Go Ask Alice] Health Advice from Columbia University


{{Diseases of the skin and subcutaneous tissue}}
{{Diseases of the skin and subcutaneous tissue}}
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[[Category:Primary care]]
[[Category:Dermatology]]
[[Category:Dermatology]]
 
[[Category:Disease]]
[[de:Röschenflechte]]
[[fr:Pityriasis rosé de Gibert]]
[[nl:Pityriasis rosea]]
[[it:Pitiriasi rosea]]
[[ja:ジベルばら色粃糠疹]]
[[pl:Łupież różowy Giberta]]
 
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Latest revision as of 23:43, 29 July 2020

For patient information, click here Template:DiseaseDisorder infobox

Pityriasis rosea Microchapters

Home

Patient Information

Overview

Historical Perspective

Classification

Pathophysiology

Causes

Differentiating Pityriasis rosea from other Diseases

Epidemiology and Demographics

Risk Factors

Natural History, Complications and Prognosis

Diagnosis

History and Symptoms

Physical Examination

Laboratory Findings

Other Imaging Findings

Other Diagnostic Studies

Treatment

Medical Therapy

Primary Prevention

Secondary Prevention

Cost-Effectiveness of Therapy

Future or Investigational Therapies

Case Studies

Case #1

Pityriasis rosea On the Web

Most recent articles

Most cited articles

Review articles

CME Programs

Powerpoint slides

[1]

American Roentgen Ray Society Images of Pityriasis rosea

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CT Images
MRI

Ongoing Trials at Clinical Trials.gov

US National Guidelines Clearinghouse

NICE Guidance

FDA onPityriasis rosea

CDC on Pityriasis rosea

rosea in the news

Blogs on Pityriasis rosea

Directions to Hospitals Treating Pityriasis rosea

Risk calculators and risk factors for Pityriasis rosea

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [2]; Associate Editor(s)-in-Chief: Kiran Singh, M.D. [3]

Overview

Historical Perspective

Classification

Pathophysiology

Causes

Differentiating Pityriasis rosea from other Diseases

Epidemiology and Demographics

Risk Factors

Natural History, Complications and Prognosis

Diagnosis

History and Symptoms | Physical Examination | Laboratory Findings | Other Imaging Findings | Other Diagnostic Studies

Treatment

Medical Therapy | Primary Prevention | Secondary Prevention | Cost-Effectiveness of Therapy | Future or Investigational Therapies

Case Studies

Case #1

Related Chapters

External Links


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