Itchy head with dandruff consider the following possibilities: 1, flat moss: mainly belongs to the erythematous scaly skin disease. Its etiology is not clear, and may be related to immune disorders, genetics and other factors. In clinical treatment, you can take oral compound glycyrrhizin capsules 3 times/day, 2 capsules/time, with levocetirizine hydrochloride granules 1 time/day, 5mg/time, and topical fluticasone propionate ointment 1 time/day to apply treatment. 2, hair red furuncle: its etiology is also unclear, may be related to vitamin A deficiency, immune disorders, drugs and other factors. In clinical treatment can be oral orotadine hydrochloride tablets 1 tablet each morning and evening, with compound glycopyrrolate capsule 3 times / day, 2 tablets / time, if necessary, you can also take oral A vitamin A capsule for treatment, external medicine can be applied tacalcitol ointment 1:1 mixed dextran ointment for treatment.