Symptoms of contact allergic dermatitis

summary

Patients with allergic constitution are very easy to be allergic to substances in our daily life, especially some chemical substances. Once they are exposed, they will have rash, redness and itching, which will lead to contact dermatitis. Today, let me share with you the symptoms of allergic dermatitis.

Symptoms of contact allergic dermatitis

Symptom 1: in the early stage of allergic dermatitis, only the affected part has intermittent itching, especially at night. It often causes insomnia. After scratching, the skin appears light brown round or polygonal papules, with smooth surface or covered with sugar skin like scales, in dense groups. With the development of the disease, the papules gradually melt into pieces, forming a heroic mossy transformation.

Symptom 2: most of the conscious symptoms are itching, burning or distending pain. A few serious cases may have systemic reactions, such as fever, chills, headache, nausea, etc.

Symptom 3: it often has papules and herpes, and when the disease is serious, it can show obvious redness and swelling, and blisters and bullae can appear.

matters needing attention

According to the contact history, acute dermatitis with clear boundary suddenly occurs in the contact area or exposed part of the body. Most of the skin rashes are in a single form, and the skin lesions subside quickly after removing the cause, so it is easy to diagnose. When the cause of the disease is unknown or contact with several kinds of contacts, it is necessary to look for the cause of the disease, patch test can be done.