White spots on the arms may be caused by florid chaff rash, anemic nevi, vitiligo and other causes.
1. florid chaff rash: it is a superficial infection caused by Malassezia violating the cuticle of the skin. When the patient’s arm infection, the clinical manifestation of skin lesions, the beginning of the pore-centered, clear boundary of the dotted rash, can be white, yellowish, brown and so on.
2. anemic nevus: mainly because of vascular tissue development abnormalities caused by congenital skin diseases, can lead to skin hypopigmentation, which can appear white spots on the arm phenomenon.
3. Vitiligo: may be related to genetic factors, autoimmunity, oxidative stress and other reasons. It can make the skin melanocyte function is reduced, or the number of reduction, which can appear arm white spots phenomenon.
The arm white spots can also be seen in other reasons, it is recommended that patients go to the hospital in a timely manner, in accordance with the doctor’s instructions for treatment, to avoid delaying the condition.