Look for possible causes, such as working environment, living habits, diet, hobbies, thoughts and emotions, whether there are chronic diseases, internal organs diseases and so on.
medicine
1. Oral therapy: use antihistamines to relieve itching, and use them together or alternately if necessary. Systemic eczema can be taken orally or injected with glucocorticoid, but it is not suitable for long-term use.
2. External treatment: select appropriate dosage forms and drugs according to skin lesions. Local use of physiological saline, 3% boric acid or1:2000 ~1:10000 potassium permanganate solution to wash wet acute eczema, and calamine lotion to restrain protection. Subacute and chronic eczema should be treated with appropriate glucocorticoid cream, tar preparation or immunomodulator, such as tacrolimus ointment and pimecrolimus ointment. Give antibiotics to the second infected person.