The treatment for seborrheic dermatitis scalp redness is to wash the hair with selenium disulfide or shampoo with Celebrex shampoo. It can also be treated with antihistamines, such as levocetirizine hydrochloride tablets, olopatadine hydrochloride tablets, loratadine citrate tablets, desloratadine tablets or epinastine hydrochloride capsules. You can also use topical Denide ointment, Trimethoprim ointment, or Pirenzone ointment for topical application. At the same time, under the oral and external treatment, you also need to avoid spicy and stimulating diet, avoid drinking alcoholic beverages, avoid taking beef and mutton, seafood and other hairy products, and maintain good rest and sleep.