Pityriasis Rosea

Definition

Pityriasis rosea is a common skin rash. The rash is scaly and reddish-pink. It may first appear on the back, stomach, or chest. The rash can then spread to the neck, arms, and legs.

Causes

The cause of pityriasis rosea is unknown. It may be caused by viruses or a certain medication, such as antibiotics or heart medications.

Risk Factors

Pityriasis rosea occurs most often in children and young adults. It is more likely to occur in the spring and fall.

Symptoms

Before a rash appears, the first symptoms may be similar to the common cold. They may include:
  • Fatigue
  • Fever
  • Headache
  • Sore throat
  • Joint pain
  • Nausea and loss of appetite
  • Irritability
When the rash appears, symptoms may include:
  • A herald patch—large, oval, scaly patch that is often on the back, stomach, armpit, or chest. It is often the first lesion to appear.
  • Rose-colored patches that appear after several days to 2 weeks that may have scaly edges.
    • Patches found on the back tend to form a Christmas tree pattern.
    • Patches are not typically itchy, but mild to severe itching may occur.
      • Itching worsens when the body overheats.
      • This may happen during physical activities or after taking a hot shower.
  • Skin redness or inflammation

Diagnosis

You will be asked about your symptoms and medical history. A physical exam will be done. Pityriasis rosea can usually be diagnosed by looking at your rash.You may be referred to a doctor who specializes in skin disorders (dermatologist) if the rash is difficult to identify.Teasting is usually not needed, but your bodily fluids and tissues may be tested if the diagnosis is uncertain. This can be done with:
Skin Biopsy
Skin proceedure
Copyright © Nucleus Medical Media, Inc.

leave comments
0
Did you like this? Share with your family and friends.
Related Topics:
Current Research From Top Journals



April 2015

A systematic review found that participants given chewing gum after abdominal surgery may have a faster return to normal for their digestive system. Unfortunately, the quality of trials is low and more research will need to be done before this simple solution is confirmed.

dot separator
previous editions

Early Peanut Consumption Associated with Lower Risk of Peanut Allergy in High Risk Children
March 2015

Breastfeeding May Decrease the Risk of Childhood Obesity
February 2015

Tonsillectomy May Reduce Number of Sore Throat Days in Children
February 2015

dashed separator

Advertisement

Our Free Newsletter
click here to see all of our uplifting newsletters »

 

Advertisement

Advertisement

DiggDeliciousNewsvineRedditStumbleTechnoratiFacebook