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Pityriasis rosea is a common condition that is most frequently
seen in the spring and autumn, however, it can occur year round.
It is thought to be caused by a virus because of its seasonal incidence.
It does not appear to be highly contagious, however, because we
rarely see two people in the same household with Pitryriasis Rosea.
Pityriasis rosea usually starts as a quarter-sized, scaly plaque (the herald
patch or mother spot) that resembles ringworm, followed by the appearance
of numerous smaller lesions, several days later. The rash is usually
found from the "neck to the knees", and rarely involves
the face.
Pityriasis rosea can be very itchy. However, this can be relieved
with proper therapy. The lesions do not scar and sunlight helps
speed the recovery process. Without treatment, Pityriasis rosea
usually lasts from 3 weeks to 3 months. With treatment, it is usually
gone in 1-2 weeks. It is very uncommon to get Pityriasis rosea more
than once in a lifetime.
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