Scalp seborrheic dermatitis is not related to urticaria, the two belong to different nature of the disease, can be distinguished from the pathogenesis, clinical manifestations, treatment principles.
1. Pathogenesis: scalp seborrheic dermatitis is a chronic, recurrent, inflammatory dermatosis occurring on the scalp associated with seborrhea. Urticaria is a limited edema of the skin and mucous membranes due to a temporary increase in vascular permeability.
2. Clinical manifestations: scalp seborrheic dermatitis is mainly manifested as thick flaky scalp, adhering to greasy scabs, inflammation under the scabs is obvious, between the vesicles oozing, hair thinning and shedding. And urticaria is manifested in the wind and varying degrees of itching, may or may not be accompanied by angioedema, the wind can subside in a few hours, after subsiding without leaving traces.
3. Treatment principle: scalp seborrheic dermatitis treatment principle is to remove fat, anti-inflammatory, sterilization, anti-itch. The treatment principle of urticaria is mainly anti-allergic treatment and symptomatic treatment.
The two are different nature of the disease, such as discomfort, the need for timely medical treatment, standardized treatment.