(1) Take vitamin B2 10 mg each time, three times a day; Vitamin B6 20 mg each time, 3 times a day; Or vitamin B complex 3 tablets each time, 3 times a day. (2) oral cystine 50 mg each time, 3 times a day; (3) Those with obvious itching can take chlorpheniramine 4 mg each time, three times a day. (4) Patients with acute extensive lesions can take prednisone 10 mg three times a day, or dexamethasone 1.5 mg three times a day for 5-7 days. (5) If there is secondary infection, antibiotics should be used, such as erythromycin 0.3g each time, 4 times a day, or compound sulfamethoxazole 1g each time (the dose of 1 time should be doubled), twice a day.

Second, Chinese medicine treatment of seborrheic dermatitis:

Mainly used for expelling wind, clearing heat and moistening dryness. Can be used for Herba Schizonepetae 15g, Radix Saposhnikoviae 10g, Periostracum Cicadae 10g, Radix Rehmanniae 10g, Radix Sophorae Flavescentis 10g, Radix Polygoni Multiflori 10g, and Flos Lonicerae 10g.

Three, the treatment of seborrheic dermatitis topical drugs:

Mainly used for dissolving sebum, exfoliating, relieving itching and diminishing inflammation: (1) If there is no erosion or exudation, shampoo powder (composed of borax 10g and sodium bicarbonate 30g) or shampoo (composed of sodium sulfacetamide 15g, liquid phenol 1g and 60% alcohol) can be added. You can also choose 2% chloramphenicol alcohol, Liu He tincture, compound sulfur lotion and 1% vitamin B6 ointment for external use. (2) For patients with obvious inflammation or exudation, 3% boric acid solution or 3% Cortex Phellodendri decoction should be used as the main wet compress, supplemented by 5% sulfur zinc oxide oil. (3) For scab, 5% sulfur ointment or 0.5% neomycin ointment can be used externally. (4) Patients with chronic injury can be smeared with 5%- 10% sugar distillate, 10% sulfur -5% fish fat ointment, or 10% sulfur-black bean distillate. (5) No matter what type of seborrheic dermatitis it is, no matter what stage it develops, as long as it is an emulsion containing 10% sodium sulfacetamide and 0.5% hydrocortisone acetate, it has a certain therapeutic effect.