White spots on the back of the neck may be caused by tinea pedis, vitiligo, post-inflammatory hypopigmentation, etc. It is necessary to improve the relevant examinations and give medication after a clear diagnosis.
1. lichen planus: this disease is caused by the over proliferation of malassezia, malassezia can invade the cuticle of the skin to cause superficial infection, resulting in localized pitting rash, furfuraceous scales, and hyperpigmentation or hypopigmentation may occur at the rash. After clear diagnosis, ketoconazole ointment or lotion can be given under the guidance of the doctor, if necessary, with oral antifungal drugs and other treatments.
2. Vitiligo: The cause of this disease is not yet clear, and it is considered to be related to heredity, autoimmune diseases, mental factors, etc. The lesions can occur in any part of the body, and the color of the lesions often turns white. The color of the lesions often turns white. Mometasone furoate, halometasone and tacrolimus can be used externally under the guidance of doctors after a clear diagnosis, which can restore part of the skin color.
3. Hypopigmentation after inflammation: Eczema, dermatitis, trauma and other problems can lead to local inflammatory reactions. The local whitish color after inflammation may be related to the reduction of local melanocytes and melanin due to inflammation, which can usually be gradually reduced or restored over time.
White patches on the back of the neck, it is recommended to pay attention to the care of the affected area, go out and pay strict attention to sunscreen, if necessary, go to the hospital dermatology department, to clarify the cause of the disease under the guidance of the doctor to give treatment, do not blindly use drugs.