hello dr. I have 5 month old child. and she has some skin irritation on her knee.like itchy round.we also call "dhadhar" in gujarati. she has this problem last 2-3 month.i am using my dr. recommended cream and powder.but problem is that the round mark is going very clean and than repeat again and again.so I was worried that when will that going permanently.i send u photo please suggest me what should I do.i m living in village area so visiting skin dr. is quite difficult in this covid time.