What causes pityriasis rosea

Update Date: 2024-03-12 Source: Network

summary

Pityriasis rosea is a common inflammatory skin disease, which occurs in spring and autumn, and the incidence of the crowd is also more common in young and middle-aged people. Pityriasis rosea usually occurs in the early stage of the trunk or near the limbs, with rose light erythema, and then gradually develops from the trunk to the limbs, often in a symmetrical distribution. In addition, generally speaking, pityriasis rosea is self limiting. It can be cured by itself after 6-8 weeks of onset, and rarely recur after healing. However, some patients have delayed healing for several months. Let's take a look at the following.

What causes pityriasis rosea

First, the etiology of pityriasis rosea is still unclear. Some scholars have confirmed that the pathogenesis of pityriasis rosea is related to virus infection. This virus is Coxsackie B virus. In addition, many people believe that bacterial, fungal, spirochete and other pathogens are related to the pathogenesis of pityriasis rosea.

Second: pityriasis rosea is a kind of rose plaque like, on which there are thin silver filings, accompanied by varying degrees of itching. Long term persistent pityriasis rosea can cause pigmentation, which seriously affects the appearance of patients. This is also one aspect of concern, so it is recommended that patients with pityriasis rosea be treated in time.

Third: the daily care of pityriasis rosea is also very important. At ordinary times, we should pay attention to the cleaning of the affected skin, but do not wash it with hot water or soapy water, which will cause irritation to the affected skin. In addition, we should avoid strong irritants when using external medicine.

matters needing attention

In fact, none of the above questions can be answered. But so far, the pathogenesis of pityriasis rosea is really unknown, the pathogenesis is not exact, we can only say that its pathogenesis may be related to the virus infection, the specific content still needs the continuous progress of medical research, and then to answer.