Hi i think red spots surrounded by white patch
is due to papular urticaria
.it can be due to bee stings.ant bites or mosquito bites.red spot indicates the bited area .surrounding area indicates the pus formation.
It can be cured by atarax
10 mg at night.and phexin
250 mg bd and application of fucidin-h ointment cures the disease.the post inflammatory marks can be cured by momate ointment