Pityriasis Rosea

Neha Bansal
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Pityriasis Rosea - Presentation
An upper respiratory tract infection precedes all symptoms. Then, a 2-10 cm herald patch, salmon pink colored with a collarette scale at the margin appears typically on the abdomen. (1) Secondary eruptions begin typically along the Langer (cleavage) lines after a few days to weeks which are similar to the herald patch and align in a "Christmas tree" appearance on the torso. (1,2) Patients, especially children, often experience mild to severe pruritis. (4)

Other associated symptoms like low-grade fever, nausea and headache are possible.

Atypical presentations have also been reported where the herald patch is either missing or confluent with other lesions.


References
Pityriasis Rosea Pityriasis Rosea 01/02/2013
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