White spots on the skin after sun exposure may be caused by polymorphic sun rash, vitiligo, pityriasis alba, etc., and you should consult a doctor in time to clarify the cause of the disease.
1. polymorphic solar rash: the skin after sun exposure white spots, may be light allergy caused by polymorphic solar rash caused by the rash more than 5 hours to 2 days after exposure to the sun, part of the population will also be accompanied by local itching, burning sensation.
2. Vitiligo: skin white spots after sun exposure, may also be severe sunburn induced melanocyte destruction caused by vitiligo, no other conscious symptoms.
3. white chaff rash: the skin after sun exposure white spots, may also be white chaff rash, often manifested as round or oval hypopigmented spots, the surface is covered with fine chaff-like scales, and occasionally itchy.
After the sun exposure skin white spots, there may be reasons, it is recommended to the hospital in a timely manner, to clarify the cause of the disease, in accordance with the doctor’s instructions standardized treatment.