Pityriasis rosea

What is pityriasis rosea?

Pityriasis rosea (or Gibert's pityriasis rosea) it is a disease that only affects the skin, completely benign and that heals without the need for treatment after 6-8 weeks.

What Causes Pityriasis Rosea? Who is affected? How is it spread?

The cause is not known with certainty, although it seems to have a viral origin.

It mainly affects children, teens and young adults. The route of contagion is not known. It usually appears in weather changes, especially in spring and autumn.

Pityriasis rosea spots can appear on the trunk, upper limbs and neck, but it does not usually affect the face or the lower part of the extremities (hands and feet).

How is the rash of pityriasis rosea?

The typical rash of pityriasis rosea usually begins with a single, widening patch., until reaching a diameter of a few centimeters, usually on the trunk or upper limbs. It is the so-called "mother board" or "herald board", the finding of which is usually helpful to the dermatologist to diagnose pityriasis rosea.

After a few weeks, many new spots begin to appear all over the body, smaller, round or oval, with a brighter center and dry-looking edge, scaly.