Why do I have large dandruff on my head?

Head shows a large piece of dandruff, most common is psoriasis, or ringworm, and seborrheic dermatitis. These categories of diseases, the most likely to show an increase in the head of the skin dandruff phenomenon. Show a lot of dandruff on the head, it is recommended to the regular hospital dermatology examination. After the doctor checks what disease is diagnosed, symptomatic medication can be. Show dandruff, if psoriasis caused, can use oral compound aminopeptides tablets, and olopatadine hydrochloride tablets. If fungal infection caused by dandruff increase, can use compound ketoconazole hair lotion treatment, pay attention to light diet.