Vitiligo sunbathing, white spots red, should be away from the environment of sunlight exposure, you can use dexamethasone and other drugs for treatment. Vitiligo can develop at any age, mainly manifested as white spots, white hair and so on. Due to vitiligo makes the lack of melanocytes in the skin, ultraviolet rays on the skin will be more harmful compared to ordinary people, so in the sun will appear red phenomenon. If the symptoms of redness of white spots, should avoid exposure to the sun, fatigue, mental stress and other environments, you can use dexamethasone, methylprednisolone and other drugs, but also can receive NB-UVB phototherapy and so on. You can eat more food rich in vitamin C, fruits and so on. It is recommended to go to the hospital for examination in time and use medication under the guidance of the doctor.