White patches on the head may be related to psoriasis, tinea capitis, vitiligo and other causes.
1. Psoriasis: Psoriasis is caused by factors such as disorders of immune-regulatory function, and is mainly manifested as red skin spots and plaques covered with silvery-white scales. Scalp psoriasis is characterized by plaques with clear boundaries and covered with thick scales, which are often distributed along the hairline and appear grayish-white due to the intermingling of scales and sebum of the scalp.
2. Tinea capitis: a disease caused by fungal infection of the scalp and hair, which may appear as white scaly alopecia patches with grayish hair and mild itching.
3. Vitiligo: due to genetic, mental factors and other causes of skin and mucous membrane pigmentation disorders, manifested in the damage area of skin color loss, white, can appear on the head of the phenomenon of white patches.
It is recommended that people with white patches on the head go to the hospital in time to clarify the cause of the disease, under the guidance of the doctor for standardized treatment.