Pityriasis Rosea is a strange and surprising skin disorder. The disease is characterized by a very unique pink eruption.
Is it common?
The phenomenon occurs about 0.15 percent of people men and women equally. The most common age appetence is in 15 to 40 year olds , but most patients are teenagers.
How does it look?
In most cases the lesions first appear as pink small areas on the center of the body – the chest or back. These lesions are usually covered with white collar-shaped white scale. A few days later similar many small lesions develop scattered all over the back and chest. These do not appear on the face or hands. In most cases the rash is not itchy.
In about 20 percent of patients the rash is not typical. In these cases rash can also occur inside or scratch hard. Pityriasis Rosea is not dangerous and is not contagious. In most cases the eruption will disappear without treatment after 6 to 8 weeks.
Can the disease reappear?
In Less than 3% of patients the disease appears again.
What are the causes of Pityriasis Rosea?
Cause is unknown. Although it appears that there is involvement of herpes group viruses HPV 6 and HPV 7. In some cases the eruption appears after a streptococcal infection. In this case penicillin treatment is recommended.
When does the eruption appear?
The disease is more common in the autumn and spring and in some cases were several patients in a particular area – a fact that it can suggest the cause infectious disease.
Is there a connection to drugs or food?
Pityriasis Rosea rarely can be associated with taking drugs including
Bismuth, barbiturates, captopril, gold, Isotretinoin. Nothing to do with food.
Do you need laboratory tests to diagnose the disease?
Laboratory tests in patients with Pityriasis Rosea are usually completely normal. In most cases very characteristic signs of the disease trained dermatologist can diagnose them very easily.
Do I need treatment?
Pityriasis Rosea itself was atransient phenomenon. There is no need treatment whatsoever.
If there is itching your dermatologist can recommend pills or creams with steroids to relieve the itch. Exposure to the sun can speed up the healing but may increase the risk of hyperpigmentation (brown spots).Share on Facebook