History of contact dermatitis?

summary

I think there must be many people around us who have suffered from contact dermatitis. This disease is caused by inflammation of the skin caused by the contact of the mucous membrane or mucous membrane with some external irritants. Once contact dermatitis occurs, it is difficult to treat it, Many patients in the early stage of suffering from this disease do not pay attention to the late when they will suffer from the disease, then contact dermatitis symptoms present history? Now let's get to know.

History of contact dermatitis?

Distribution of lesions. Skin lesions are often distributed in the contact area, with a certain shape and clear boundary, and are related to the contact mode of the pathogen. According to the location of the disease, the possible cause of the disease can be found. For example, allergic reactions to cosmetics and hair dyes are often considered for head and face contact dermatitis, and the skin lesions caused by allergic reactions to underwear dyes can be distributed in the shape of pants.

Characteristics of skin lesions. Erythema, papule and herpes with clear boundary, and obvious redness and swelling with blisters or bullae in severe cases. The blister wall is tense and the content is clear. After the blister is broken, it is erosive surface. In severe cases (such as strong acid and strong alkali), the epidermis may be peeled off or even necrotic. In the skin tissue is loose, such as the face, scrotum and other places often have obvious swelling.

The course of disease is self limited. The symptoms of dermatitis develop to the peak within a few days. If the patient has been out of contact with the pathogen, it can gradually subside within 1-2 weeks, leaving temporary pigmentation. A few patients in the process of repeated contact, the sensitivity of contact material gradually decreased or tolerance improved, desensitization tolerance state occurred and improved or recovered.

matters needing attention

If contact dermatitis can not be controlled in time in the early stage, it is likely to spread the disease to other parts of the body, and even cause systemic infection, which will cause great harm to us. Therefore, we must detect and treat the disease early, so that we can minimize the harm of the disease to us, Through the above introduction, I think we all know about the diagnosis of contact dermatitis. If we have these symptoms, we must pay attention to them.