- Pityriasis rosea is an acute, self-limiting papulosquamous exanthem that usually lasts 6 to 8 weeks and resolves on its own.
- There is no seasonal preference.
- Patients are typically young adults, with an average age of 10 to 35 years at presentation
- Females are slightly more affected.
- Several people confuse and call it psoriase rosea.
- This article will gives all about pityriasis rosea of gilbert !
How does a person get pityriasis rosea?
- The etiology of pityriasis rosea is still unknown.
- Several factors point to an infectious agent : Human herpes virus (HHV)-6 and/or HHV-7 are the currently proposed pathogens, with either reactivation or primary infection.
- Pregnant women who develop pityriasis rosea within the first 15 weeks of their pregnancy may have an active HHV-6 infection and have a premature delivery with neonatal hypotonia or even fetal death.
Is pityriasis rosea linked to cancer ?
- At present, no link between the rash and cancer.
Does pityriasis rosea make you feel ill?
- A viral-like constitutional prodrome or symptoms of an upper respiratory infection may occasionally precede the onset of cutaneous lesions.
- Itching is the most commonly reported symptom.
What is herald patch ?
- Pityriasis rosea usually begins with a single heraldpatch, which is a pink-colored, plaque with a fine collarette scale in the center : herald patch.
Pityriasis rosea stages
- Following lesions are smaller (1-2 cm) pink-salmon papules and plaques on the trunk and extremities.
- They also have a fine central or a scale collarette. They typically develop symmetrically along the lines of cleavage (Langer's) and result in a "Christmas tree" distribution: christmas tree rash.
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