What causes white spots on your arms?

There are white spots on the arm, one is to consider vitiligo, vitiligo is a common acquired depigmentation skin disease, clinical manifestations are white spots, white spots, clear boundaries, can occur at any age, it is common in children and young adults. The second aspect to consider is the skin pigmentation spots, this situation is more common in the elderly, it is a manifestation of skin aging, you can do a general physical examination, appropriate oral medicine to improve the health of the constitution, to delay the aging of the skin. There are sunscreen, sunscreen work should also be done; there are some white spots, may be related to changes in skin color after trauma; there are also congenital white shift.