Very itchy dandruff how to do a lot

Itchy dandruff a lot of the best to go to the dermatology department to find a doctor to check, if it is fungal infection caused by ringworm, the need to clean the scalp, and then under the guidance of the doctor with anti-fungal drug treatment. If seborrheic dermatitis caused, but also need to use ketoconazole lotion cleaning treatment.