What is seborrheic dermatitis like

summary

It is a kind of delayed photoallergic skin disease induced by sunlight. Some people think it is mainly caused by UVB, while others think it is mainly caused by UVB. The clinical manifestation is pleomorphic rash, which may include erythema, papules, blisters, erosion, scales, and lichenoid changes, often with some kind of rash. The main manifestations were plaque, erythema, eczema, prurigo and urticaria. So we must do a good job in the related work of this disease, so what is seborrheic dermatitis like.

What is seborrheic dermatitis like

Symptom 1: it is more common in middle-aged men. The mouth of hair follicle is slightly red and swollen. There is a small light brown scab. It is often called "whisker sore". It is stubborn and difficult to treat. Some showed pustules at the mouth of the hair follicle with greasy scales and bright red around the base, causing damage to the hair follicle and scar formation. The scalp and pubis can also be involved at the same time.

Symptom 2: common in axillary, inguinal, breast and umbilical fossa, more common in 30-50 years old, especially in obese middle-aged people. The lesions showed well-defined erythema with greasy scales, such as disseminated frictional erythema like fissures and swelling. Due to local sweating, it is easy to secondary infection, or improper treatment can make the development of skin lesions.

Symptom 3: small white chaff like or greasy scaly patches at the beginning, and then expand and fuse into large patches with clear boundary. The base is slightly red and mild pruritus. In severe cases, it is characterized by greasy scaly round patches, accompanied by exudation and thick scab or red papules centered on hair follicles. In severe cases, the whole scalp is covered with thick scab with greasy odor, accompanied by hair loss.

matters needing attention

Here is a reminder: for people with allergic skin, in the season of high incidence of allergy, such as Spring Festival or summer, we should try to avoid using cosmetics, reduce the frequency of hair dyeing, and stay away from all allergens. After going out and going home, wash your face with clean water instead of alkaline soap. At the same time, pay attention to the use of skin care products with moisturizing effect.