Seborrheic dermatitis mainly occurs in the seborrheic area, the capillary dilation on both sides of the nose appear red, should be given topical drugs, oral medication, home care and other ways to relieve. 1. topical drugs: because seborrheic dermatitis and fungal infections, so you can cooperate with the doctor to choose imidazole antifungal drugs, such as clotrimazole, econazole, ketoconazole, miconazole, etc., can play an antifungal, anti-inflammatory effect. 2. Oral medication: you can choose oral antihistamines, such as loratadine, cetirizine, etc., is more suitable for itching intense, can stop itching sedation. When the effect of external antifungal ointment is not too satisfactory, you can cooperate with the doctor to use oral antifungal drugs, such as itraconazole, terbinafine and so on. 3. family care: because seborrheic dermatitis is recurrent, so we should develop good living and hygiene habits, maintain sufficient sleep, do not stay up late, avoid spicy and stimulating food, appropriate exercise, enhance their physical fitness. Seborrheic dermatitis redness on both sides of the nose is recommended to timely consultation, the above medication should be used under the guidance of a doctor, avoid self-medication, in order to avoid adverse effects.