Suddenly there is a piece of white on the skin which may be caused by lichen planus, pityriasis alba, vitiligo and other reasons.
1. Tinea versicolor: Tinea versicolor is mainly caused by Malassezia infection of the skin, which can lead to local skin tissue damage, causing pigmentation loss, resulting in white patch-like changes in the skin.
2. white chaff rash: white chaff rash triggered by factors such as malnutrition, direct sunlight on the skin, dry skin, etc., which can cause the skin to appear partially white, the disease is mainly seen in children.
3. Vitiligo: patients due to genetic or environmental factors, leading to the destruction of melanocytes, resulting in a decrease in melanin production, thus appearing in the skin a piece of white symptoms.
A piece of white skin may also be related to external damage, hypopigmentation spots, etc. It is recommended to consult a doctor in time to find out the cause, and follow the doctor’s instructions for treatment.